55686792 has 64 divisors (see below), whose sum is σ = 160617600. Its totient is φ = 15759360.

The previous prime is 55686779. The next prime is 55686811. The reversal of 55686792 is 29768655.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16792 + ... + 19832.

It is an arithmetic number, because the mean of its divisors is an integer number (2509650).

Almost surely, 2^55686792 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 55686792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80308800).

55686792 is an abundant number, since it is smaller than the sum of its proper divisors (104930808).

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

55686792 is a wasteful number, since it uses less digits than its factorization.

55686792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3166 (or 3162 counting only the distinct ones).

The product of its digits is 907200, while the sum is 48.

The square root of 55686792 is about 7462.3583403640. The cubic root of 55686792 is about 381.8716343636.

The spelling of 55686792 in words is "fifty-five million, six hundred eighty-six thousand, seven hundred ninety-two".