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56500757 is a prime number
BaseRepresentation
bin1101011110001…
…0001000010101
310221022112110122
43113202020111
5103431011012
65335001325
71254151145
oct327421025
9127275418
1056500757
1129990945
1216b09245
13b923301
14770a925
154e60e72
hex35e2215

56500757 has 2 divisors, whose sum is σ = 56500758. Its totient is φ = 56500756.

The previous prime is 56500733. The next prime is 56500783. The reversal of 56500757 is 75700565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30019441 + 26481316 = 5479^2 + 5146^2 .

It is a cyclic number.

It is not a de Polignac number, because 56500757 - 210 = 56499733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56500057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28250378 + 28250379.

It is an arithmetic number, because the mean of its divisors is an integer number (28250379).

Almost surely, 256500757 is an apocalyptic number.

It is an amenable number.

56500757 is a deficient number, since it is larger than the sum of its proper divisors (1).

56500757 is an equidigital number, since it uses as much as digits as its factorization.

56500757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36750, while the sum is 35.

The square root of 56500757 is about 7516.6985439088. The cubic root of 56500757 is about 383.7232276626.

The spelling of 56500757 in words is "fifty-six million, five hundred thousand, seven hundred fifty-seven".