55545677 has 4 divisors (see below), whose sum is σ = 60595296. Its totient is φ = 50496060.

The previous prime is 55545661. The next prime is 55545689. The reversal of 55545677 is 77654555.

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 a cyclic number.

It is not a de Polignac number, because 55545677 - 2⁴ = 55545661 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 (55545617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2524793 + ... + 2524814.

It is an arithmetic number, because the mean of its divisors is an integer number (15148824).

Almost surely, 2^55545677 is an apocalyptic number.

It is an amenable number.

55545677 is a deficient number, since it is larger than the sum of its proper divisors (5049619).

55545677 is a wasteful number, since it uses less digits than its factorization.

55545677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5049618.

The product of its digits is 735000, while the sum is 44.

The square root of 55545677 is about 7452.8972218863. The cubic root of 55545677 is about 381.5487965973.

The spelling of 55545677 in words is "fifty-five million, five hundred forty-five thousand, six hundred seventy-seven".