55886922 has 160 divisors (see below), whose sum is σ = 163924992. Its totient is φ = 13810176.

The previous prime is 55886899. The next prime is 55886933. The reversal of 55886922 is 22968855.

55886922 is a `hidden beast` number, since 5 + 588 + 69 + 2 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 250503 + ... + 250725.

Almost surely, 2^55886922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55886922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81962496).

55886922 is an abundant number, since it is smaller than the sum of its proper divisors (108038070).

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

55886922 is a wasteful number, since it uses less digits than its factorization.

55886922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 265 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 55886922 is about 7475.7556139831. The cubic root of 55886922 is about 382.3285506131.

The spelling of 55886922 in words is "fifty-five million, eight hundred eighty-six thousand, nine hundred twenty-two".