55583688 has 32 divisors (see below), whose sum is σ = 141240960. Its totient is φ = 18223680.

The previous prime is 55583687. The next prime is 55583701. The reversal of 55583688 is 88638555.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55583687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17520 + ... + 20447.

It is an arithmetic number, because the mean of its divisors is an integer number (4413780).

Almost surely, 2^55583688 is an apocalyptic number.

It is an amenable number.

55583688 is an abundant number, since it is smaller than the sum of its proper divisors (85657272).

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

55583688 is a wasteful number, since it uses less digits than its factorization.

55583688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38037 (or 38033 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 48.

The square root of 55583688 is about 7455.4468678946. The cubic root of 55583688 is about 381.6358105356.

The spelling of 55583688 in words is "fifty-five million, five hundred eighty-three thousand, six hundred eighty-eight".