56250540 has 144 divisors (see below), whose sum is σ = 178738560. Its totient is φ = 14307840.

The previous prime is 56250499. The next prime is 56250547. The reversal of 56250540 is 4505265.

56250540 is a `hidden beast` number, since 562 + 50 + 54 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56250547) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 516006 + ... + 516114.

It is an arithmetic number, because the mean of its divisors is an integer number (1241240).

Almost surely, 2^56250540 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 56250540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89369280).

56250540 is an abundant number, since it is smaller than the sum of its proper divisors (122488020).

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

56250540 is a wasteful number, since it uses less digits than its factorization.

56250540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 56250540 is about 7500.0359999136. The cubic root of 56250540 is about 383.1559422879.

The spelling of 56250540 in words is "fifty-six million, two hundred fifty thousand, five hundred forty".