56536340 has 24 divisors (see below), whose sum is σ = 135687552. Its totient is φ = 19383840.

The previous prime is 56536331. The next prime is 56536349. The reversal of 56536340 is 4363565.

It is an interprime number because it is at equal distance from previous prime (56536331) and next prime (56536349).

It is a junction number, because it is equal to n+sod(n) for n = 56536297 and 56536306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56536349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201776 + ... + 202055.

It is an arithmetic number, because the mean of its divisors is an integer number (5653648).

Almost surely, 2^56536340 is an apocalyptic number.

It is an amenable number.

56536340 is an abundant number, since it is smaller than the sum of its proper divisors (79151212).

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

56536340 is a wasteful number, since it uses less digits than its factorization.

56536340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403847 (or 403845 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 56536340 is about 7519.0651014604. The cubic root of 56536340 is about 383.8037643904.

The spelling of 56536340 in words is "fifty-six million, five hundred thirty-six thousand, three hundred forty".