56275631 has 16 divisors (see below), whose sum is σ = 60328800. Its totient is φ = 52391808.

The previous prime is 56275567. The next prime is 56275643. The reversal of 56275631 is 13657265.

It is a cyclic number.

It is not a de Polignac number, because 56275631 - 2⁶ = 56275567 is a prime.

It is a super-2 number, since 2×56275631² = 6333893288896322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56275591 and 56275600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56275651) 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, 191921 + ... + 192213.

It is an arithmetic number, because the mean of its divisors is an integer number (3770550).

Almost surely, 2^56275631 is an apocalyptic number.

56275631 is a deficient number, since it is larger than the sum of its proper divisors (4053169).

56275631 is a wasteful number, since it uses less digits than its factorization.

56275631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538.

The product of its digits is 37800, while the sum is 35.

The square root of 56275631 is about 7501.7085387264. The cubic root of 56275631 is about 383.2129037362.

The spelling of 56275631 in words is "fifty-six million, two hundred seventy-five thousand, six hundred thirty-one".