55087488 has 48 divisors (see below), whose sum is σ = 158523300. Its totient is φ = 18362112.

The previous prime is 55087471. The next prime is 55087519. The reversal of 55087488 is 88478055.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22758 + ... + 25061.

Almost surely, 2^55087488 is an apocalyptic number.

It is an amenable number.

55087488 is an abundant number, since it is smaller than the sum of its proper divisors (103435812).

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

55087488 is a wasteful number, since it uses less digits than its factorization.

55087488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47839 (or 47824 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The square root of 55087488 is about 7422.0945830675. The cubic root of 55087488 is about 380.4967833163.

It can be divided in two parts, 5508 and 7488, that added together give a square (12996 = 114²).

The spelling of 55087488 in words is "fifty-five million, eighty-seven thousand, four hundred eighty-eight".