55075616 has 24 divisors (see below), whose sum is σ = 113145984. Its totient is φ = 26340160.

The previous prime is 55075609. The next prime is 55075621. The reversal of 55075616 is 61657055.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36680 + ... + 38151.

It is an arithmetic number, because the mean of its divisors is an integer number (4714416).

Almost surely, 2^55075616 is an apocalyptic number.

It is an amenable number.

55075616 is an abundant number, since it is smaller than the sum of its proper divisors (58070368).

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

55075616 is a wasteful number, since it uses less digits than its factorization.

55075616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74864 (or 74856 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 55075616 is about 7421.2947657400. The cubic root of 55075616 is about 380.4694475121.

The spelling of 55075616 in words is "fifty-five million, seventy-five thousand, six hundred sixteen".