55704688 has 20 divisors (see below), whose sum is σ = 116230408. Its totient is φ = 25709760.

The previous prime is 55704659. The next prime is 55704707. The reversal of 55704688 is 88640755.

It is a congruent number.

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, 133698 + ... + 134113.

Almost surely, 2^55704688 is an apocalyptic number.

It is an amenable number.

55704688 is an abundant number, since it is smaller than the sum of its proper divisors (60525720).

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

55704688 is a wasteful number, since it uses less digits than its factorization.

55704688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267832 (or 267826 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 55704688 is about 7463.5573287810. The cubic root of 55704688 is about 381.9125371976.

The spelling of 55704688 in words is "fifty-five million, seven hundred four thousand, six hundred eighty-eight".