56278090 has 32 divisors (see below), whose sum is σ = 110968704. Its totient is φ = 20379840.

The previous prime is 56278087. The next prime is 56278097. The reversal of 56278090 is 9087265.

It is not an unprimeable number, because it can be changed into a prime (56278097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29547 + ... + 31393.

It is an arithmetic number, because the mean of its divisors is an integer number (3467772).

Almost surely, 2^56278090 is an apocalyptic number.

56278090 is a deficient number, since it is larger than the sum of its proper divisors (54690614).

56278090 is a wasteful number, since it uses less digits than its factorization.

56278090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 56278090 is about 7501.8724329330. The cubic root of 56278090 is about 383.2184852332.

The spelling of 56278090 in words is "fifty-six million, two hundred seventy-eight thousand, ninety".