55544776 has 16 divisors (see below), whose sum is σ = 119024640. Its totient is φ = 23804880.

The previous prime is 55544767. The next prime is 55544803. The reversal of 55544776 is 67744555.

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, 495880 + ... + 495991.

It is an arithmetic number, because the mean of its divisors is an integer number (7439040).

Almost surely, 2^55544776 is an apocalyptic number.

55544776 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55544776 is an abundant number, since it is smaller than the sum of its proper divisors (63479864).

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

55544776 is a wasteful number, since it uses less digits than its factorization.

55544776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991884 (or 991880 counting only the distinct ones).

The product of its digits is 588000, while the sum is 43.

The square root of 55544776 is about 7452.8367753494. The cubic root of 55544776 is about 381.5467335666.

The spelling of 55544776 in words is "fifty-five million, five hundred forty-four thousand, seven hundred seventy-six".