55568977 has 8 divisors (see below), whose sum is σ = 58956800. Its totient is φ = 52227504.

The previous prime is 55568969. The next prime is 55568983. The reversal of 55568977 is 77986555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55568977 - 2³ = 55568969 is a prime.

It is a super-2 number, since 2×55568977² = 6175822409653058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55568917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9102 + ... + 13927.

It is an arithmetic number, because the mean of its divisors is an integer number (7369600).

Almost surely, 2^55568977 is an apocalyptic number.

It is an amenable number.

55568977 is a deficient number, since it is larger than the sum of its proper divisors (3387823).

55568977 is a wasteful number, since it uses less digits than its factorization.

55568977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23175.

The product of its digits is 2646000, while the sum is 52.

The square root of 55568977 is about 7454.4602084926. The cubic root of 55568977 is about 381.6021391476.

The spelling of 55568977 in words is "fifty-five million, five hundred sixty-eight thousand, nine hundred seventy-seven".