56969540 has 24 divisors (see below), whose sum is σ = 121080960. Its totient is φ = 22512608.

The previous prime is 56969531. The next prime is 56969579. The reversal of 56969540 is 4596965.

It is a junction number, because it is equal to n+sod(n) for n = 56969491 and 56969500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15500 + ... + 18819.

It is an arithmetic number, because the mean of its divisors is an integer number (5045040).

Almost surely, 2^56969540 is an apocalyptic number.

It is an amenable number.

56969540 is an abundant number, since it is smaller than the sum of its proper divisors (64111420).

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

56969540 is a wasteful number, since it uses less digits than its factorization.

56969540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34411 (or 34409 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 44.

The square root of 56969540 is about 7547.8169029197. The cubic root of 56969540 is about 384.7815480798.

The spelling of 56969540 in words is "fifty-six million, nine hundred sixty-nine thousand, five hundred forty".