56251379 has 4 divisors (see below), whose sum is σ = 56338176. Its totient is φ = 56164584.

The previous prime is 56251369. The next prime is 56251409. The reversal of 56251379 is 97315265.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97315265 = 5 ⋅19463053.

It is a cyclic number.

It is not a de Polignac number, because 56251379 - 2²⁴ = 39474163 is a prime.

It is a super-3 number, since 3×56251379³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56251309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42419 + ... + 43724.

It is an arithmetic number, because the mean of its divisors is an integer number (14084544).

Almost surely, 2^56251379 is an apocalyptic number.

56251379 is a deficient number, since it is larger than the sum of its proper divisors (86797).

56251379 is an equidigital number, since it uses as much as digits as its factorization.

56251379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86796.

The product of its digits is 56700, while the sum is 38.

The square root of 56251379 is about 7500.0919327699. The cubic root of 56251379 is about 383.1578472548.

The spelling of 56251379 in words is "fifty-six million, two hundred fifty-one thousand, three hundred seventy-nine".