56275540 has 48 divisors (see below), whose sum is σ = 123056640. Its totient is φ = 21594240.

The previous prime is 56275507. The next prime is 56275543. The reversal of 56275540 is 4557265.

56275540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 56275496 and 56275505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56275543) 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 15 ways as a sum of consecutive naturals, for example, 85854 + ... + 86506.

It is an arithmetic number, because the mean of its divisors is an integer number (2563680).

Almost surely, 2^56275540 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 56275540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61528320).

56275540 is an abundant number, since it is smaller than the sum of its proper divisors (66781100).

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

56275540 is a wasteful number, since it uses less digits than its factorization.

56275540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832 (or 830 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 56275540 is about 7501.7024734389. The cubic root of 56275540 is about 383.2126971791.

The spelling of 56275540 in words is "fifty-six million, two hundred seventy-five thousand, five hundred forty".