55789524 has 72 divisors (see below), whose sum is σ = 161965440. Its totient is φ = 15861312.

The previous prime is 55789511. The next prime is 55789541. The reversal of 55789524 is 42598755.

55789524 is a `hidden beast` number, since 55 + 78 + 9 + 524 = 666.

It is a super-2 number, since 2×55789524² = 6224941976293152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55789524.

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, 67377 + ... + 68199.

It is an arithmetic number, because the mean of its divisors is an integer number (2249520).

Almost surely, 2^55789524 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 55789524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80982720).

55789524 is an abundant number, since it is smaller than the sum of its proper divisors (106175916).

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

55789524 is a wasteful number, since it uses less digits than its factorization.

55789524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109 (or 1104 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 55789524 is about 7469.2385154044. The cubic root of 55789524 is about 382.1063180034.

The spelling of 55789524 in words is "fifty-five million, seven hundred eighty-nine thousand, five hundred twenty-four".