56920146 has 16 divisors (see below), whose sum is σ = 113992704. Its totient is φ = 18947984.

The previous prime is 56920141. The next prime is 56920183. The reversal of 56920146 is 64102965.

It is a super-2 number, since 2×56920146² = 6479806041322632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56920141) 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, 1170 + ... + 10733.

It is an arithmetic number, because the mean of its divisors is an integer number (7124544).

Almost surely, 2^56920146 is an apocalyptic number.

56920146 is an abundant number, since it is smaller than the sum of its proper divisors (57072558).

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

56920146 is a wasteful number, since it uses less digits than its factorization.

56920146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12705.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 56920146 is about 7544.5441214165. The cubic root of 56920146 is about 384.6703108860.

The spelling of 56920146 in words is "fifty-six million, nine hundred twenty thousand, one hundred forty-six".