55192686 has 24 divisors (see below), whose sum is σ = 115400040. Its totient is φ = 17596656.

The previous prime is 55192667. The next prime is 55192691. The reversal of 55192686 is 68629155.

55192686 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, 5521 + ... + 11868.

It is an arithmetic number, because the mean of its divisors is an integer number (4808335).

Almost surely, 2^55192686 is an apocalyptic number.

55192686 is an abundant number, since it is smaller than the sum of its proper divisors (60207354).

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

55192686 is a wasteful number, since it uses less digits than its factorization.

55192686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17440 (or 17417 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The square root of 55192686 is about 7429.1780164430. The cubic root of 55192686 is about 380.7388349419.

The spelling of 55192686 in words is "fifty-five million, one hundred ninety-two thousand, six hundred eighty-six".