56441156431 has 16 divisors (see below), whose sum is σ = 62255739168. Its totient is φ = 50741712000.

The previous prime is 56441156423. The next prime is 56441156449. The reversal of 56441156431 is 13465114465.

It is a cyclic number.

It is not a de Polignac number, because 56441156431 - 2³ = 56441156423 is a prime.

It is a super-2 number, since 2×56441156431² (a number of 22 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 (56441156831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 917905 + ... + 977461.

It is an arithmetic number, because the mean of its divisors is an integer number (3890983698).

Almost surely, 2^56441156431 is an apocalyptic number.

56441156431 is a deficient number, since it is larger than the sum of its proper divisors (5814582737).

56441156431 is a wasteful number, since it uses less digits than its factorization.

56441156431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60522.

The product of its digits is 172800, while the sum is 40.

The spelling of 56441156431 in words is "fifty-six billion, four hundred forty-one million, one hundred fifty-six thousand, four hundred thirty-one".