56430215807 has 16 divisors (see below), whose sum is σ = 66109512000. Its totient is φ = 47156981760.

The previous prime is 56430215773. The next prime is 56430215857. The reversal of 56430215807 is 70851203465.

It is not a de Polignac number, because 56430215807 - 2¹² = 56430211711 is a prime.

It is a super-2 number, since 2×56430215807² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56430215857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361319 + ... + 493367.

It is an arithmetic number, because the mean of its divisors is an integer number (4131844500).

Almost surely, 2^56430215807 is an apocalyptic number.

56430215807 is a deficient number, since it is larger than the sum of its proper divisors (9679296193).

56430215807 is a wasteful number, since it uses less digits than its factorization.

56430215807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133586.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 56430215807 in words is "fifty-six billion, four hundred thirty million, two hundred fifteen thousand, eight hundred seven".