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55043552 = 2517101183
BaseRepresentation
bin1101000111111…
…0010111100000
310211120111120002
43101332113200
5103042343202
65243435132
71235601554
oct321762740
9124514502
1055043552
1129086043
1216525aa8
13b532c65
14744b864
154c74302
hex347e5e0

55043552 has 24 divisors (see below), whose sum is σ = 114742656. Its totient is φ = 25902592.

The previous prime is 55043539. The next prime is 55043557. The reversal of 55043552 is 25534055.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55043557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50048 + ... + 51135.

It is an arithmetic number, because the mean of its divisors is an integer number (4780944).

Almost surely, 255043552 is an apocalyptic number.

It is an amenable number.

55043552 is an abundant number, since it is smaller than the sum of its proper divisors (59699104).

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

55043552 is a wasteful number, since it uses less digits than its factorization.

55043552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101210 (or 101202 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 55043552 is about 7419.1341812910. The cubic root of 55043552 is about 380.3955990989.

The spelling of 55043552 in words is "fifty-five million, forty-three thousand, five hundred fifty-two".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 101183 202366 404732 809464 1618928 1720111 3237856 3440222 6880444 13760888 27521776 55043552