55556768 has 12 divisors (see below), whose sum is σ = 109377450. Its totient is φ = 27778368.

The previous prime is 55556749. The next prime is 55556777. The reversal of 55556768 is 86765555.

It can be written as a sum of positive squares in only one way, i.e., 35378704 + 20178064 = 5948^2 + 4492^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 868043 + ... + 868106.

Almost surely, 2^55556768 is an apocalyptic number.

It is an amenable number.

55556768 is a deficient number, since it is larger than the sum of its proper divisors (53820682).

55556768 is a wasteful number, since it uses less digits than its factorization.

55556768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736159 (or 1736151 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 47.

The square root of 55556768 is about 7453.6412578015. The cubic root of 55556768 is about 381.5741899691.

The spelling of 55556768 in words is "fifty-five million, five hundred fifty-six thousand, seven hundred sixty-eight".