55549877 has 8 divisors (see below), whose sum is σ = 58195200. Its totient is φ = 52953264.

The previous prime is 55549873. The next prime is 55549889. The reversal of 55549877 is 77894555.

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

It is a cyclic number.

It is not a de Polignac number, because 55549877 - 2² = 55549873 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 (55549873) 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, 9833 + ... + 14414.

It is an arithmetic number, because the mean of its divisors is an integer number (7274400).

Almost surely, 2^55549877 is an apocalyptic number.

It is an amenable number.

55549877 is a deficient number, since it is larger than the sum of its proper divisors (2645323).

55549877 is a wasteful number, since it uses less digits than its factorization.

55549877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24355.

The product of its digits is 1764000, while the sum is 50.

The square root of 55549877 is about 7453.1789861776. The cubic root of 55549877 is about 381.5584130946.

The spelling of 55549877 in words is "fifty-five million, five hundred forty-nine thousand, eight hundred seventy-seven".