63956562 has 16 divisors (see below), whose sum is σ = 129232992. Its totient is φ = 21098880.

The previous prime is 63956561. The next prime is 63956591. The reversal of 63956562 is 26565936.

It is not an unprimeable number, because it can be changed into a prime (63956561) 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, 54364 + ... + 55527.

It is an arithmetic number, because the mean of its divisors is an integer number (8077062).

Almost surely, 2^63956562 is an apocalyptic number.

63956562 is an abundant number, since it is smaller than the sum of its proper divisors (65276430).

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

63956562 is a wasteful number, since it uses less digits than its factorization.

63956562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109993.

The product of its digits is 291600, while the sum is 42.

The square root of 63956562 is about 7997.2846641845. The cubic root of 63956562 is about 399.9094836852.

The spelling of 63956562 in words is "sixty-three million, nine hundred fifty-six thousand, five hundred sixty-two".