55827792 has 120 divisors (see below), whose sum is σ = 164926944. Its totient is φ = 18278784.

The previous prime is 55827781. The next prime is 55827823. The reversal of 55827792 is 29772855.

It is a happy number.

55827792 is a `hidden beast` number, since 558 + 2 + 7 + 7 + 92 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 322618 + ... + 322790.

Almost surely, 2^55827792 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 55827792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82463472).

55827792 is an abundant number, since it is smaller than the sum of its proper divisors (109099152).

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

55827792 is a wasteful number, since it uses less digits than its factorization.

55827792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 261 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The square root of 55827792 is about 7471.7997831848. The cubic root of 55827792 is about 382.1936647634.

The spelling of 55827792 in words is "fifty-five million, eight hundred twenty-seven thousand, seven hundred ninety-two".