56021952 has 112 divisors (see below), whose sum is σ = 172020992. Its totient is φ = 15759360.

The previous prime is 56021923. The next prime is 56021963. The reversal of 56021952 is 25912065.

It is a happy number.

56021952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97827 + ... + 98397.

Almost surely, 2^56021952 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 56021952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86010496).

56021952 is an abundant number, since it is smaller than the sum of its proper divisors (115999040).

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

56021952 is a wasteful number, since it uses less digits than its factorization.

56021952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 56021952 is about 7484.7813595322. The cubic root of 56021952 is about 382.6362212920.

The spelling of 56021952 in words is "fifty-six million, twenty-one thousand, nine hundred fifty-two".