56017257610357 has 2 divisors, whose sum is σ = 56017257610358. Its totient is φ = 56017257610356.

The previous prime is 56017257610339. The next prime is 56017257610381. The reversal of 56017257610357 is 75301675271065.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46188524733796 + 9828732876561 = 6796214^2 + 3135081^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56017257610357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56017257610298 and 56017257610307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56017257613357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28008628805178 + 28008628805179.

It is an arithmetic number, because the mean of its divisors is an integer number (28008628805179).

Almost surely, 2^{56017257610357} is an apocalyptic number.

It is an amenable number.

56017257610357 is a deficient number, since it is larger than the sum of its proper divisors (1).

56017257610357 is an equidigital number, since it uses as much as digits as its factorization.

56017257610357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9261000, while the sum is 55.

The spelling of 56017257610357 in words is "fifty-six trillion, seventeen billion, two hundred fifty-seven million, six hundred ten thousand, three hundred fifty-seven".