55384688 has 40 divisors (see below), whose sum is σ = 111302400. Its totient is φ = 26679744.

The previous prime is 55384687. The next prime is 55384697. The reversal of 55384688 is 88648355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55384687) 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, 53843 + ... + 54861.

It is an arithmetic number, because the mean of its divisors is an integer number (2782560).

Almost surely, 2^55384688 is an apocalyptic number.

It is an amenable number.

55384688 is an abundant number, since it is smaller than the sum of its proper divisors (55917712).

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

55384688 is a wasteful number, since it uses less digits than its factorization.

55384688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149 (or 1143 counting only the distinct ones).

The product of its digits is 921600, while the sum is 47.

The square root of 55384688 is about 7442.0889540505. The cubic root of 55384688 is about 381.1798233998.

The spelling of 55384688 in words is "fifty-five million, three hundred eighty-four thousand, six hundred eighty-eight".