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55250076 = 2237679817
BaseRepresentation
bin1101001011000…
…0110010011100
310211221222212010
43102300302130
5103121000301
65252111220
71240421640
oct322606234
9124858763
1055250076
1129207222
1216605510
13b5a5c6b
1474a2c20
154cb55d6
hex34b0c9c

55250076 has 48 divisors (see below), whose sum is σ = 149547776. Its totient is φ = 15548544.

The previous prime is 55250053. The next prime is 55250077. The reversal of 55250076 is 67005255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55250077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 720 + ... + 10536.

Almost surely, 255250076 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 55250076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74773888).

55250076 is an abundant number, since it is smaller than the sum of its proper divisors (94297700).

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

55250076 is a wasteful number, since it uses less digits than its factorization.

55250076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9898 (or 9896 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 55250076 is about 7433.0394859707. The cubic root of 55250076 is about 380.8707547921.

The spelling of 55250076 in words is "fifty-five million, two hundred fifty thousand, seventy-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 67 84 134 201 268 402 469 804 938 1407 1876 2814 5628 9817 19634 29451 39268 58902 68719 117804 137438 206157 274876 412314 657739 824628 1315478 1973217 2630956 3946434 4604173 7892868 9208346 13812519 18416692 27625038 55250076