56696257 has 2 divisors, whose sum is σ = 56696258. Its totient is φ = 56696256.

The previous prime is 56696239. The next prime is 56696329. The reversal of 56696257 is 75269665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34000561 + 22695696 = 5831^2 + 4764^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56696257 is a prime.

It is not a weakly prime, because it can be changed into another prime (56696557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28348128 + 28348129.

It is an arithmetic number, because the mean of its divisors is an integer number (28348129).

Almost surely, 2^56696257 is an apocalyptic number.

It is an amenable number.

56696257 is a deficient number, since it is larger than the sum of its proper divisors (1).

56696257 is an equidigital number, since it uses as much as digits as its factorization.

56696257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 680400, while the sum is 46.

The square root of 56696257 is about 7529.6916935556. The cubic root of 56696257 is about 384.1652956809.

It can be divided in two parts, 56696 and 257, that added together give a triangular number (56953 = T₃₃₇).

The spelling of 56696257 in words is "fifty-six million, six hundred ninety-six thousand, two hundred fifty-seven".