56182290 has 16 divisors (see below), whose sum is σ = 134837568. Its totient is φ = 14981936.

The previous prime is 56182289. The next prime is 56182319. The reversal of 56182290 is 9228165.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936342 + ... + 936401.

It is an arithmetic number, because the mean of its divisors is an integer number (8427348).

Almost surely, 2^56182290 is an apocalyptic number.

56182290 is an abundant number, since it is smaller than the sum of its proper divisors (78655278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56182290 is a wasteful number, since it uses less digits than its factorization.

56182290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872753.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 56182290 is about 7495.4846407687. The cubic root of 56182290 is about 383.0009157675. Note that the first 3 decimals are identical.

The spelling of 56182290 in words is "fifty-six million, one hundred eighty-two thousand, two hundred ninety".