63056538 has 48 divisors (see below), whose sum is σ = 140419656. Its totient is φ = 20442240.

The previous prime is 63056531. The next prime is 63056561. The reversal of 63056538 is 83565036.

63056538 is a `hidden beast` number, since 63 + 0 + 565 + 38 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 34187409 + 28869129 = 5847^2 + 5373^2 .

It is a super-2 number, since 2×63056538² = 7952253969090888, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63056531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149568 + ... + 149988.

Almost surely, 2^63056538 is an apocalyptic number.

63056538 is an abundant number, since it is smaller than the sum of its proper divisors (77363118).

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

63056538 is a wasteful number, since it uses less digits than its factorization.

63056538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 63056538 is about 7940.8146937200. The cubic root of 63056538 is about 398.0247158544.

The spelling of 63056538 in words is "sixty-three million, fifty-six thousand, five hundred thirty-eight".