56475031 has 2 divisors, whose sum is σ = 56475032. Its totient is φ = 56475030.

The previous prime is 56475019. The next prime is 56475047. The reversal of 56475031 is 13057465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56475031 - 2⁹ = 56474519 is a prime.

It is a super-2 number, since 2×56475031² = 6378858252901922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56474984 and 56475002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56475091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28237515 + 28237516.

It is an arithmetic number, because the mean of its divisors is an integer number (28237516).

Almost surely, 2^56475031 is an apocalyptic number.

56475031 is a deficient number, since it is larger than the sum of its proper divisors (1).

56475031 is an equidigital number, since it uses as much as digits as its factorization.

56475031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 56475031 is about 7514.9870924706. The cubic root of 56475031 is about 383.6649796973.

The spelling of 56475031 in words is "fifty-six million, four hundred seventy-five thousand, thirty-one".