56878045 has 16 divisors (see below), whose sum is σ = 78163200. Its totient is φ = 38922624.

The previous prime is 56878033. The next prime is 56878051. The reversal of 56878045 is 54087865.

It is a cyclic number.

It is not a de Polignac number, because 56878045 - 2²³ = 48489437 is a prime.

It is a super-2 number, since 2×56878045² = 6470224006044050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56877992 and 56878010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19609 + ... + 22321.

It is an arithmetic number, because the mean of its divisors is an integer number (4885200).

Almost surely, 2^56878045 is an apocalyptic number.

It is an amenable number.

56878045 is a deficient number, since it is larger than the sum of its proper divisors (21285155).

56878045 is a wasteful number, since it uses less digits than its factorization.

56878045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 56878045 is about 7541.7534433313. The cubic root of 56878045 is about 384.5754469967.

The spelling of 56878045 in words is "fifty-six million, eight hundred seventy-eight thousand, forty-five".