55883688 has 32 divisors (see below), whose sum is σ = 159668160. Its totient is φ = 15966720.

The previous prime is 55883647. The next prime is 55883689. The reversal of 55883688 is 88638855.

It is a self number, because there is not a number n which added to its sum of digits gives 55883688.

It is not an unprimeable number, because it can be changed into a prime (55883689) 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, 166153 + ... + 166488.

It is an arithmetic number, because the mean of its divisors is an integer number (4989630).

Almost surely, 2^55883688 is an apocalyptic number.

It is an amenable number.

55883688 is an abundant number, since it is smaller than the sum of its proper divisors (103784472).

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

55883688 is a wasteful number, since it uses less digits than its factorization.

55883688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332657 (or 332653 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 51.

The square root of 55883688 is about 7475.5393116484. The cubic root of 55883688 is about 382.3211757548.

The spelling of 55883688 in words is "fifty-five million, eight hundred eighty-three thousand, six hundred eighty-eight".