55576579 has 16 divisors (see below), whose sum is σ = 59673600. Its totient is φ = 51644736.

The previous prime is 55576559. The next prime is 55576601. The reversal of 55576579 is 97567555.

It is a cyclic number.

It is not a de Polignac number, because 55576579 - 2⁹ = 55576067 is a prime.

It is a super-2 number, since 2×55576579² = 6177512266686482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55576529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132432 + ... + 132850.

It is an arithmetic number, because the mean of its divisors is an integer number (3729600).

Almost surely, 2^55576579 is an apocalyptic number.

55576579 is a deficient number, since it is larger than the sum of its proper divisors (4097021).

55576579 is a wasteful number, since it uses less digits than its factorization.

55576579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594.

The product of its digits is 1653750, while the sum is 49.

The square root of 55576579 is about 7454.9700871298. The cubic root of 55576579 is about 381.6195397869.

The spelling of 55576579 in words is "fifty-five million, five hundred seventy-six thousand, five hundred seventy-nine".