55029888 has 64 divisors (see below), whose sum is σ = 162424800. Its totient is φ = 18342144.

The previous prime is 55029883. The next prime is 55029893. The reversal of 55029888 is 88892055.

55029888 is a `hidden beast` number, since 550 + 2 + 98 + 8 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (55029883) and next prime (55029893).

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (55029881) 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, 4506 + ... + 11417.

Almost surely, 2^55029888 is an apocalyptic number.

It is an amenable number.

55029888 is an abundant number, since it is smaller than the sum of its proper divisors (107394912).

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

55029888 is a wasteful number, since it uses less digits than its factorization.

55029888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15946 (or 15928 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The square root of 55029888 is about 7418.2132619654. The cubic root of 55029888 is about 380.3641200522.

The spelling of 55029888 in words is "fifty-five million, twenty-nine thousand, eight hundred eighty-eight".