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56756951 is a prime number
BaseRepresentation
bin1101100010000…
…0101011010111
310221210112220022
43120200223113
5104012210301
65344255355
71256266106
oct330405327
9127715808
1056756951
112a046379
121701155b
13b9b2ac4
14777603d
154eb1d1b
hex3620ad7

56756951 has 2 divisors, whose sum is σ = 56756952. Its totient is φ = 56756950.

The previous prime is 56756941. The next prime is 56756957. The reversal of 56756951 is 15965765.

56756951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56756951 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56756957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28378475 + 28378476.

It is an arithmetic number, because the mean of its divisors is an integer number (28378476).

Almost surely, 256756951 is an apocalyptic number.

56756951 is a deficient number, since it is larger than the sum of its proper divisors (1).

56756951 is an equidigital number, since it uses as much as digits as its factorization.

56756951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 283500, while the sum is 44.

The square root of 56756951 is about 7533.7209266072. The cubic root of 56756951 is about 384.3023312598.

The spelling of 56756951 in words is "fifty-six million, seven hundred fifty-six thousand, nine hundred fifty-one".