55577776 has 10 divisors (see below), whose sum is σ = 107681972. Its totient is φ = 27788880.

The previous prime is 55577719. The next prime is 55577789. The reversal of 55577776 is 67777555.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1736790 + ... + 1736821.

Almost surely, 2^55577776 is an apocalyptic number.

It is an amenable number.

55577776 is a deficient number, since it is larger than the sum of its proper divisors (52104196).

55577776 is a wasteful number, since it uses less digits than its factorization.

55577776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473619 (or 3473613 counting only the distinct ones).

The product of its digits is 1800750, while the sum is 49.

The square root of 55577776 is about 7455.0503687098. The cubic root of 55577776 is about 381.6222795220.

The spelling of 55577776 in words is "fifty-five million, five hundred seventy-seven thousand, seven hundred seventy-six".