56644070 has 16 divisors (see below), whose sum is σ = 116525088. Its totient is φ = 19420800.

The previous prime is 56644069. The next prime is 56644079. The reversal of 56644070 is 7044665.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56644079) 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, 404531 + ... + 404670.

It is an arithmetic number, because the mean of its divisors is an integer number (7282818).

Almost surely, 2^56644070 is an apocalyptic number.

56644070 is an abundant number, since it is smaller than the sum of its proper divisors (59881018).

56644070 is a wasteful number, since it uses less digits than its factorization.

56644070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809215.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 56644070 is about 7526.2254816076. The cubic root of 56644070 is about 384.0473890806.

The spelling of 56644070 in words is "fifty-six million, six hundred forty-four thousand, seventy".