55670886 has 24 divisors (see below), whose sum is σ = 127716264. Its totient is φ = 17465280.

The previous prime is 55670863. The next prime is 55670891. The reversal of 55670886 is 68807655.

55670886 is a `hidden beast` number, since 5 + 567 + 0 + 8 + 86 = 666.

55670886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 90660 + ... + 91271.

It is an arithmetic number, because the mean of its divisors is an integer number (5321511).

Almost surely, 2^55670886 is an apocalyptic number.

55670886 is an abundant number, since it is smaller than the sum of its proper divisors (72045378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55670886 is a wasteful number, since it uses less digits than its factorization.

55670886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181956 (or 181953 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 55670886 is about 7461.2925153756. The cubic root of 55670886 is about 381.8352724879.

The spelling of 55670886 in words is "fifty-five million, six hundred seventy thousand, eight hundred eighty-six".