56837321 has 8 divisors (see below), whose sum is σ = 57788640. Its totient is φ = 55892512.

The previous prime is 56837317. The next prime is 56837323. The reversal of 56837321 is 12373865.

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

It is a cyclic number.

It is not a de Polignac number, because 56837321 - 2² = 56837317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56837323) 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, 17870 + ... + 20808.

It is an arithmetic number, because the mean of its divisors is an integer number (7223580).

Almost surely, 2^56837321 is an apocalyptic number.

It is an amenable number.

56837321 is a deficient number, since it is larger than the sum of its proper divisors (951319).

56837321 is a wasteful number, since it uses less digits than its factorization.

56837321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255.

The product of its digits is 30240, while the sum is 35.

The square root of 56837321 is about 7539.0530572480. The cubic root of 56837321 is about 384.4836412757.

The spelling of 56837321 in words is "fifty-six million, eight hundred thirty-seven thousand, three hundred twenty-one".