55818792 has 96 divisors (see below), whose sum is σ = 162190080. Its totient is φ = 17297280.

The previous prime is 55818787. The next prime is 55818821. The reversal of 55818792 is 29781855.

It is a happy number.

55818792 is a `hidden beast` number, since 558 + 1 + 8 + 7 + 92 = 666.

55818792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 60817 + ... + 61727.

It is an arithmetic number, because the mean of its divisors is an integer number (1689480).

Almost surely, 2^55818792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55818792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81095040).

55818792 is an abundant number, since it is smaller than the sum of its proper divisors (106371288).

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

55818792 is a wasteful number, since it uses less digits than its factorization.

55818792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983 (or 976 counting only the distinct ones).

The product of its digits is 201600, while the sum is 45.

The square root of 55818792 is about 7471.1974943780. The cubic root of 55818792 is about 382.1731258424.

The spelling of 55818792 in words is "fifty-five million, eight hundred eighteen thousand, seven hundred ninety-two".