55088724 has 24 divisors (see below), whose sum is σ = 129155488. Its totient is φ = 18275040.

The previous prime is 55088711. The next prime is 55088729. The reversal of 55088724 is 42788055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55088729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8347 + ... + 13410.

Almost surely, 2^55088724 is an apocalyptic number.

It is an amenable number.

55088724 is an abundant number, since it is smaller than the sum of its proper divisors (74066764).

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

55088724 is a wasteful number, since it uses less digits than its factorization.

55088724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21975 (or 21973 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 55088724 is about 7422.1778475054. The cubic root of 55088724 is about 380.4996290351.

The spelling of 55088724 in words is "fifty-five million, eighty-eight thousand, seven hundred twenty-four".