55589942 has 16 divisors (see below), whose sum is σ = 87655392. Its totient is φ = 26389440.

The previous prime is 55589939. The next prime is 55589957. The reversal of 55589942 is 24998555.

It is a congruent number.

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, 1892 + ... + 10712.

It is an arithmetic number, because the mean of its divisors is an integer number (5478462).

Almost surely, 2^55589942 is an apocalyptic number.

55589942 is a deficient number, since it is larger than the sum of its proper divisors (32065450).

55589942 is a wasteful number, since it uses less digits than its factorization.

55589942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8983.

The product of its digits is 648000, while the sum is 47.

The square root of 55589942 is about 7455.8662809898. The cubic root of 55589942 is about 381.6501232529.

The spelling of 55589942 in words is "fifty-five million, five hundred eighty-nine thousand, nine hundred forty-two".