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55053536 = 2523131571
BaseRepresentation
bin1101001000000…
…0110011100000
310211121000020212
43102000303200
5103043203121
65243553252
71235642636
oct322006340
9124530225
1055053536
112909259a
121652b828
13b537675
147451356
154c7725b
hex3480ce0

55053536 has 48 divisors (see below), whose sum is σ = 114162048. Its totient is φ = 26083200.

The previous prime is 55053517. The next prime is 55053539. The reversal of 55053536 is 63535055.

It is a super-2 number, since 2×550535362 = 6061783652206592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55053539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96131 + ... + 96701.

It is an arithmetic number, because the mean of its divisors is an integer number (2378376).

Almost surely, 255053536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55053536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57081024).

55053536 is an abundant number, since it is smaller than the sum of its proper divisors (59108512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55053536 is a wasteful number, since it uses less digits than its factorization.

55053536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 32.

The square root of 55053536 is about 7419.8070055764. The cubic root of 55053536 is about 380.4185968883.

It can be divided in two parts, 5505 and 3536, that multiplied together give a triangular number (19465680 = T6239).

The spelling of 55053536 in words is "fifty-five million, fifty-three thousand, five hundred thirty-six".

Divisors: 1 2 4 8 16 23 32 46 92 131 184 262 368 524 571 736 1048 1142 2096 2284 3013 4192 4568 6026 9136 12052 13133 18272 24104 26266 48208 52532 74801 96416 105064 149602 210128 299204 420256 598408 1196816 1720423 2393632 3440846 6881692 13763384 27526768 55053536