55577079 has 24 divisors (see below), whose sum is σ = 85737600. Its totient is φ = 34614720.

The previous prime is 55577057. The next prime is 55577087. The reversal of 55577079 is 97077555.

55577079 is a `hidden beast` number, since 5 + 5 + 577 + 0 + 79 = 666.

55577079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55577079 - 2⁵ = 55577047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55577089) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 4657 + ... + 11525.

It is an arithmetic number, because the mean of its divisors is an integer number (3572400).

Almost surely, 2^55577079 is an apocalyptic number.

55577079 is a deficient number, since it is larger than the sum of its proper divisors (30160521).

55577079 is a wasteful number, since it uses less digits than its factorization.

55577079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6935 (or 6932 counting only the distinct ones).

The product of its (nonzero) digits is 385875, while the sum is 45.

The square root of 55577079 is about 7455.0036217295. The cubic root of 55577079 is about 381.6206842090.

The spelling of 55577079 in words is "fifty-five million, five hundred seventy-seven thousand, seventy-nine".