56054988 has 72 divisors (see below), whose sum is σ = 155400336. Its totient is φ = 16896000.

The previous prime is 56054983. The next prime is 56054989. The reversal of 56054988 is 88945065.

56054988 is a `hidden beast` number, since 560 + 5 + 4 + 9 + 88 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56054981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139588 + ... + 139988.

It is an arithmetic number, because the mean of its divisors is an integer number (2158338).

Almost surely, 2^56054988 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 56054988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77700168).

56054988 is an abundant number, since it is smaller than the sum of its proper divisors (99345348).

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

56054988 is a wasteful number, since it uses less digits than its factorization.

56054988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775 (or 770 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 56054988 is about 7486.9879123717. The cubic root of 56054988 is about 382.7114197087.

The spelling of 56054988 in words is "fifty-six million, fifty-four thousand, nine hundred eighty-eight".