55425898 has 16 divisors (see below), whose sum is σ = 92236320. Its totient is φ = 24766000.

The previous prime is 55425829. The next prime is 55425901. The reversal of 55425898 is 89852455.

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, 20053 + ... + 22648.

It is an arithmetic number, because the mean of its divisors is an integer number (5764770).

Almost surely, 2^55425898 is an apocalyptic number.

55425898 is a deficient number, since it is larger than the sum of its proper divisors (36810422).

55425898 is a wasteful number, since it uses less digits than its factorization.

55425898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42773.

The product of its digits is 576000, while the sum is 46.

The square root of 55425898 is about 7444.8571510809. The cubic root of 55425898 is about 381.2743412569.

The spelling of 55425898 in words is "fifty-five million, four hundred twenty-five thousand, eight hundred ninety-eight".