55508088 has 64 divisors (see below), whose sum is σ = 144698400. Its totient is φ = 17722880.

The previous prime is 55508027. The next prime is 55508107. The reversal of 55508088 is 88080555.

It is a super-2 number, since 2×55508088² = 6162295666831488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120178 + ... + 120638.

Almost surely, 2^55508088 is an apocalyptic number.

55508088 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55508088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72349200).

55508088 is an abundant number, since it is smaller than the sum of its proper divisors (89190312).

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

55508088 is a wasteful number, since it uses less digits than its factorization.

55508088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 39.

The square root of 55508088 is about 7450.3750241179. The cubic root of 55508088 is about 381.4627096451.

The spelling of 55508088 in words is "fifty-five million, five hundred eight thousand, eighty-eight".