55491296 has 24 divisors (see below), whose sum is σ = 124855920. Its totient is φ = 23781888.

The previous prime is 55491283. The next prime is 55491301. The reversal of 55491296 is 69219455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123641 + ... + 124088.

It is an arithmetic number, because the mean of its divisors is an integer number (5202330).

Almost surely, 2^55491296 is an apocalyptic number.

55491296 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55491296 is an abundant number, since it is smaller than the sum of its proper divisors (69364624).

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

55491296 is a wasteful number, since it uses less digits than its factorization.

55491296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247746 (or 247738 counting only the distinct ones).

The product of its digits is 97200, while the sum is 41.

The square root of 55491296 is about 7449.2480157396. The cubic root of 55491296 is about 381.4242397687.

The spelling of 55491296 in words is "fifty-five million, four hundred ninety-one thousand, two hundred ninety-six".