55558677 has 4 divisors (see below), whose sum is σ = 74078240. Its totient is φ = 37039116.

The previous prime is 55558667. The next prime is 55558691. The reversal of 55558677 is 77685555.

55558677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 55558677 - 2⁴ = 55558661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55558637) 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 3 ways as a sum of consecutive naturals, for example, 9259777 + ... + 9259782.

It is an arithmetic number, because the mean of its divisors is an integer number (18519560).

Almost surely, 2^55558677 is an apocalyptic number.

It is an amenable number.

55558677 is a deficient number, since it is larger than the sum of its proper divisors (18519563).

55558677 is a wasteful number, since it uses less digits than its factorization.

55558677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18519562.

The product of its digits is 1470000, while the sum is 48.

The square root of 55558677 is about 7453.7693149171. The cubic root of 55558677 is about 381.5785603744.

The spelling of 55558677 in words is "fifty-five million, five hundred fifty-eight thousand, six hundred seventy-seven".