56525340 has 96 divisors (see below), whose sum is σ = 169150464. Its totient is φ = 14054400.

The previous prime is 56525333. The next prime is 56525377. The reversal of 56525340 is 4352565.

It is a super-2 number, since 2×56525340² = 6390228124231200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 56525298 and 56525307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153837 + ... + 154203.

It is an arithmetic number, because the mean of its divisors is an integer number (1761984).

Almost surely, 2^56525340 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 56525340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84575232).

56525340 is an abundant number, since it is smaller than the sum of its proper divisors (112625124).

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

56525340 is a wasteful number, since it uses less digits than its factorization.

56525340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 56525340 is about 7518.3335919604. Note that the first 3 decimals coincide. The cubic root of 56525340 is about 383.7788711669.

It can be divided in two parts, 56525 and 340, that added together give a palindrome (56865).

The spelling of 56525340 in words is "fifty-six million, five hundred twenty-five thousand, three hundred forty".