56453436065257 has 16 divisors (see below), whose sum is σ = 70383907764864. Its totient is φ = 43989438528000.

The previous prime is 56453436065239. The next prime is 56453436065287. The reversal of 56453436065257 is 75256063435465.

It is a de Polignac number, because none of the positive numbers 2^k-56453436065257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56453436065195 and 56453436065204.

It is not an unprimeable number, because it can be changed into a prime (56453436065287) 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, 12049207 + ... + 16065187.

It is an arithmetic number, because the mean of its divisors is an integer number (4398994235304).

Almost surely, 2^{56453436065257} is an apocalyptic number.

It is an amenable number.

56453436065257 is a deficient number, since it is larger than the sum of its proper divisors (13930471699607).

56453436065257 is a wasteful number, since it uses less digits than its factorization.

56453436065257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4198560.

The product of its (nonzero) digits is 272160000, while the sum is 61.

The spelling of 56453436065257 in words is "fifty-six trillion, four hundred fifty-three billion, four hundred thirty-six million, sixty-five thousand, two hundred fifty-seven".