56013528 has 64 divisors (see below), whose sum is σ = 146534400. Its totient is φ = 17821440.

The previous prime is 56013511. The next prime is 56013571. The reversal of 56013528 is 82531065.

It is a junction number, because it is equal to n+sod(n) for n = 56013495 and 56013504.

It is a congruent 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, 58300 + ... + 59252.

It is an arithmetic number, because the mean of its divisors is an integer number (2289600).

Almost surely, 2^56013528 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 56013528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73267200).

56013528 is an abundant number, since it is smaller than the sum of its proper divisors (90520872).

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

56013528 is a wasteful number, since it uses less digits than its factorization.

56013528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 56013528 is about 7484.2185964869. The cubic root of 56013528 is about 382.6170413753.

The spelling of 56013528 in words is "fifty-six million, thirteen thousand, five hundred twenty-eight".