55237568 has 14 divisors (see below), whose sum is σ = 109612176. Its totient is φ = 27618752.

The previous prime is 55237531. The next prime is 55237571. The reversal of 55237568 is 86573255.

55237568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431480 + ... + 431607.

Almost surely, 2^55237568 is an apocalyptic number.

It is an amenable number.

55237568 is a deficient number, since it is larger than the sum of its proper divisors (54374608).

55237568 is an equidigital number, since it uses as much as digits as its factorization.

55237568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863099 (or 863089 counting only the distinct ones).

The product of its digits is 252000, while the sum is 41.

The square root of 55237568 is about 7432.1980597936. The cubic root of 55237568 is about 380.8420109948.

The spelling of 55237568 in words is "fifty-five million, two hundred thirty-seven thousand, five hundred sixty-eight".