56034640 has 20 divisors (see below), whose sum is σ = 130280724. Its totient is φ = 22413824.

The previous prime is 56034623. The next prime is 56034683. The reversal of 56034640 is 4643065.

It can be written as a sum of positive squares in 2 ways, for example, as 35712576 + 20322064 = 5976^2 + 4508^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 56034599 and 56034608.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 350137 + ... + 350296.

Almost surely, 2^56034640 is an apocalyptic number.

It is an amenable number.

56034640 is an abundant number, since it is smaller than the sum of its proper divisors (74246084).

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

56034640 is a wasteful number, since it uses less digits than its factorization.

56034640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700446 (or 700440 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 56034640 is about 7485.6288980953. The cubic root of 56034640 is about 382.6651059329.

The spelling of 56034640 in words is "fifty-six million, thirty-four thousand, six hundred forty".