55688968 has 8 divisors (see below), whose sum is σ = 104416830. Its totient is φ = 27844480.

The previous prime is 55688953. The next prime is 55688977. The reversal of 55688968 is 86988655.

55688968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 34363044 + 21325924 = 5862^2 + 4618^2 .

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

It is a super-2 number, since 2×55688968² = 6202522313810048, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3480553 + ... + 3480568.

Almost surely, 2^55688968 is an apocalyptic number.

It is an amenable number.

55688968 is a deficient number, since it is larger than the sum of its proper divisors (48727862).

55688968 is a wasteful number, since it uses less digits than its factorization.

55688968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6961127 (or 6961123 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 55.

The square root of 55688968 is about 7462.5041373523. The cubic root of 55688968 is about 381.8766082651.

The spelling of 55688968 in words is "fifty-five million, six hundred eighty-eight thousand, nine hundred sixty-eight".