56357031 has 16 divisors (see below), whose sum is σ = 78271488. Its totient is φ = 36036000.

The previous prime is 56357029. The next prime is 56357113. The reversal of 56357031 is 13075365.

It is not a de Polignac number, because 56357031 - 2¹ = 56357029 is a prime.

It is a super-2 number, since 2×56357031² = 6352229886269922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56357031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56357011) 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, 4306 + ... + 11456.

It is an arithmetic number, because the mean of its divisors is an integer number (4891968).

Almost surely, 2^56357031 is an apocalyptic number.

56357031 is a deficient number, since it is larger than the sum of its proper divisors (21914457).

56357031 is a wasteful number, since it uses less digits than its factorization.

56357031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7262.

The product of its (nonzero) digits is 9450, while the sum is 30.

The square root of 56357031 is about 7507.1320089632. The cubic root of 56357031 is about 383.3975810817.

The spelling of 56357031 in words is "fifty-six million, three hundred fifty-seven thousand, thirty-one".