55525416 has 32 divisors (see below), whose sum is σ = 139914240. Its totient is φ = 18361728.

The previous prime is 55525399. The next prime is 55525441. The reversal of 55525416 is 61452555.

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, 6061 + ... + 12156.

It is an arithmetic number, because the mean of its divisors is an integer number (4372320).

Almost surely, 2^55525416 is an apocalyptic number.

It is an amenable number.

55525416 is an abundant number, since it is smaller than the sum of its proper divisors (84388824).

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

55525416 is a wasteful number, since it uses less digits than its factorization.

55525416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18353 (or 18349 counting only the distinct ones).

The product of its digits is 30000, while the sum is 33.

The square root of 55525416 is about 7451.5378278581. The cubic root of 55525416 is about 381.5023993455.

The spelling of 55525416 in words is "fifty-five million, five hundred twenty-five thousand, four hundred sixteen".