56370813 has 8 divisors (see below), whose sum is σ = 76760448. Its totient is φ = 36780864.

The previous prime is 56370773. The next prime is 56370817. The reversal of 56370813 is 31807365.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56370813 - 2⁶ = 56370749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56370817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199756 + ... + 200037.

It is an arithmetic number, because the mean of its divisors is an integer number (9595056).

Almost surely, 2^56370813 is an apocalyptic number.

It is an amenable number.

56370813 is a deficient number, since it is larger than the sum of its proper divisors (20389635).

56370813 is a wasteful number, since it uses less digits than its factorization.

56370813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399843.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 56370813 is about 7508.0498799622. The cubic root of 56370813 is about 383.4288315735.

The spelling of 56370813 in words is "fifty-six million, three hundred seventy thousand, eight hundred thirteen".