64056530 has 8 divisors (see below), whose sum is σ = 115301772. Its totient is φ = 25622608.

The previous prime is 64056529. The next prime is 64056557. The reversal of 64056530 is 3565046.

It can be written as a sum of positive squares in 2 ways, for example, as 62425801 + 1630729 = 7901^2 + 1277^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64056493 and 64056502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3202817 + ... + 3202836.

Almost surely, 2^64056530 is an apocalyptic number.

64056530 is a deficient number, since it is larger than the sum of its proper divisors (51245242).

64056530 is a wasteful number, since it uses less digits than its factorization.

64056530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6405660.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 64056530 is about 8003.5323451586. The cubic root of 64056530 is about 400.1177361754.

The spelling of 64056530 in words is "sixty-four million, fifty-six thousand, five hundred thirty".