56525940 has 72 divisors (see below), whose sum is σ = 173916288. Its totient is φ = 14857920.

The previous prime is 56525929. The next prime is 56525941. The reversal of 56525940 is 4952565.

56525940 is a `hidden beast` number, since 5 + 65 + 2 + 594 + 0 = 666.

56525940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×56525940⁴ (a number of 32 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 56525895 and 56525904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56525941) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 10569 + ... + 14991.

It is an arithmetic number, because the mean of its divisors is an integer number (2415504).

Almost surely, 2^56525940 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 56525940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86958144).

56525940 is an abundant number, since it is smaller than the sum of its proper divisors (117390348).

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

56525940 is a wasteful number, since it uses less digits than its factorization.

56525940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4509 (or 4504 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 56525940 is about 7518.3734943138. The cubic root of 56525940 is about 383.7802290624.

The spelling of 56525940 in words is "fifty-six million, five hundred twenty-five thousand, nine hundred forty".