56404325375999 has 32 divisors (see below), whose sum is σ = 57778740923904. Its totient is φ = 55050772291200.

The previous prime is 56404325375969. The next prime is 56404325376001. The reversal of 56404325375999 is 99957352340465.

It is a cyclic number.

It is not a de Polignac number, because 56404325375999 - 2³⁶ = 56335605899263 is a prime.

It is a super-2 number, since 2×56404325375999² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56404325375969) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8920497452 + ... + 8920503774.

It is an arithmetic number, because the mean of its divisors is an integer number (1805585653872).

Almost surely, 2^{56404325375999} is an apocalyptic number.

56404325375999 is a deficient number, since it is larger than the sum of its proper divisors (1374415547905).

56404325375999 is a wasteful number, since it uses less digits than its factorization.

56404325375999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10367.

The product of its (nonzero) digits is 1102248000, while the sum is 71.

The spelling of 56404325375999 in words is "fifty-six trillion, four hundred four billion, three hundred twenty-five million, three hundred seventy-five thousand, nine hundred ninety-nine".