55392684 has 24 divisors (see below), whose sum is σ = 129465840. Its totient is φ = 18433344.

The previous prime is 55392683. The next prime is 55392703. The reversal of 55392684 is 48629355.

It is not an unprimeable number, because it can be changed into a prime (55392683) 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, 4302 + ... + 11370.

It is an arithmetic number, because the mean of its divisors is an integer number (5394410).

Almost surely, 2^55392684 is an apocalyptic number.

It is an amenable number.

55392684 is an abundant number, since it is smaller than the sum of its proper divisors (74073156).

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

55392684 is a wasteful number, since it uses less digits than its factorization.

55392684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7729 (or 7727 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 55392684 is about 7442.6261494180. The cubic root of 55392684 is about 381.1981664191.

The spelling of 55392684 in words is "fifty-five million, three hundred ninety-two thousand, six hundred eighty-four".