55086877 has 4 divisors (see below), whose sum is σ = 55107040. Its totient is φ = 55066716.

The previous prime is 55086859. The next prime is 55086887. The reversal of 55086877 is 77868055.

55086877 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55086877 is a prime.

It is a super-2 number, since 2×55086877² = 6069128035226258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55086887) 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, 5193 + ... + 11710.

It is an arithmetic number, because the mean of its divisors is an integer number (13776760).

Almost surely, 2^55086877 is an apocalyptic number.

It is an amenable number.

55086877 is a deficient number, since it is larger than the sum of its proper divisors (20163).

55086877 is a wasteful number, since it uses less digits than its factorization.

55086877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20162.

The product of its (nonzero) digits is 470400, while the sum is 46.

The square root of 55086877 is about 7422.0534220659. The cubic root of 55086877 is about 380.4953765577.

The spelling of 55086877 in words is "fifty-five million, eighty-six thousand, eight hundred seventy-seven".