56889402 has 16 divisors (see below), whose sum is σ = 117449472. Its totient is φ = 18351360.

The previous prime is 56889397. The next prime is 56889449. The reversal of 56889402 is 20498865.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152743 + ... + 153114.

It is an arithmetic number, because the mean of its divisors is an integer number (7340592).

Almost surely, 2^56889402 is an apocalyptic number.

56889402 is an abundant number, since it is smaller than the sum of its proper divisors (60560070).

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

56889402 is a wasteful number, since it uses less digits than its factorization.

56889402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305893.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 56889402 is about 7542.5063473623. The cubic root of 56889402 is about 384.6010417154.

It can be divided in two parts, 56889 and 402, that added together give a triangular number (57291 = T₃₃₈).

The spelling of 56889402 in words is "fifty-six million, eight hundred eighty-nine thousand, four hundred two".