55804608 has 168 divisors, whose sum is σ = 174741840. Its totient is φ = 16957440.

The previous prime is 55804597. The next prime is 55804627. The reversal of 55804608 is 80640855.

It is a happy number.

It is a super-2 number, since 2×55804608² = 6228308548067328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 401403 + ... + 401541.

It is an arithmetic number, because the mean of its divisors is an integer number (1040130).

Almost surely, 2^55804608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55804608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87370920).

55804608 is an abundant number, since it is smaller than the sum of its proper divisors (118937232).

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

55804608 is a wasteful number, since it uses less digits than its factorization.

55804608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 55804608 is about 7470.2481886481. The cubic root of 55804608 is about 382.1407520208.

The spelling of 55804608 in words is "fifty-five million, eight hundred four thousand, six hundred eight".