56160640 has 32 divisors (see below), whose sum is σ = 134260560. Its totient is φ = 22464000.

The previous prime is 56160631. The next prime is 56160649. The reversal of 56160640 is 4606165.

It is an interprime number because it is at equal distance from previous prime (56160631) and next prime (56160649).

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 56160599 and 56160608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56160649) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 43236 + ... + 44515.

Almost surely, 2^56160640 is an apocalyptic number.

It is an amenable number.

56160640 is an abundant number, since it is smaller than the sum of its proper divisors (78099920).

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

56160640 is an equidigital number, since it uses as much as digits as its factorization.

56160640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87770 (or 87758 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 56160640 is about 7494.0402987974. The cubic root of 56160640 is about 382.9517126279.

The spelling of 56160640 in words is "fifty-six million, one hundred sixty thousand, six hundred forty".