55494656 has 96 divisors (see below), whose sum is σ = 131040000. Its totient is φ = 23482368.

The previous prime is 55494631. The next prime is 55494667. The reversal of 55494656 is 65649455.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 702425 + ... + 702503.

It is an arithmetic number, because the mean of its divisors is an integer number (1365000).

Almost surely, 2^55494656 is an apocalyptic number.

55494656 is a gapful number since it is divisible by the number (56) 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 55494656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65520000).

55494656 is an abundant number, since it is smaller than the sum of its proper divisors (75545344).

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

55494656 is an frugal number, since it uses more digits than its factorization.

55494656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 88 counting only the distinct ones).

The product of its digits is 648000, while the sum is 44.

The square root of 55494656 is about 7449.4735384455. The cubic root of 55494656 is about 381.4319380306.

The spelling of 55494656 in words is "fifty-five million, four hundred ninety-four thousand, six hundred fifty-six".