55975888 has 10 divisors (see below), whose sum is σ = 108453314. Its totient is φ = 27987936.

The previous prime is 55975877. The next prime is 55975921. The reversal of 55975888 is 88857955.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 28643904 + 27331984 = 5352^2 + 5228^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1749231 + ... + 1749262.

Almost surely, 2^55975888 is an apocalyptic number.

It is an amenable number.

55975888 is a deficient number, since it is larger than the sum of its proper divisors (52477426).

55975888 is a wasteful number, since it uses less digits than its factorization.

55975888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498501 (or 3498495 counting only the distinct ones).

The product of its digits is 4032000, while the sum is 55.

The square root of 55975888 is about 7481.7035493262. The cubic root of 55975888 is about 382.5313184375.

The spelling of 55975888 in words is "fifty-five million, nine hundred seventy-five thousand, eight hundred eighty-eight".