56037331 has 6 divisors (see below), whose sum is σ = 65186340. Its totient is φ = 48031956.

The previous prime is 56037313. The next prime is 56037341. The reversal of 56037331 is 13373065.

It is not a de Polignac number, because 56037331 - 2⁹ = 56036819 is a prime.

It is a super-2 number, since 2×56037331² = 6280364931207122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56037331.

It is not an unprimeable number, because it can be changed into a prime (56037341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 571761 + ... + 571858.

It is an arithmetic number, because the mean of its divisors is an integer number (10864390).

Almost surely, 2^56037331 is an apocalyptic number.

56037331 is a deficient number, since it is larger than the sum of its proper divisors (9149009).

56037331 is a wasteful number, since it uses less digits than its factorization.

56037331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143633 (or 1143626 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 28.

The square root of 56037331 is about 7485.8086403541. The cubic root of 56037331 is about 382.6712315207.

The spelling of 56037331 in words is "fifty-six million, thirty-seven thousand, three hundred thirty-one".