55768808 has 8 divisors (see below), whose sum is σ = 104566530. Its totient is φ = 27884400.

The previous prime is 55768771. The next prime is 55768847. The reversal of 55768808 is 80886755.

It can be written as a sum of positive squares in only one way, i.e., 40729924 + 15038884 = 6382^2 + 3878^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×55768808² = 6220319891481728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3485543 + ... + 3485558.

Almost surely, 2^55768808 is an apocalyptic number.

It is an amenable number.

55768808 is a deficient number, since it is larger than the sum of its proper divisors (48797722).

55768808 is a wasteful number, since it uses less digits than its factorization.

55768808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6971107 (or 6971103 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 47.

The square root of 55768808 is about 7467.8516321630. The cubic root of 55768808 is about 382.0590170414.

The spelling of 55768808 in words is "fifty-five million, seven hundred sixty-eight thousand, eight hundred eight".