63943952 has 20 divisors (see below), whose sum is σ = 125171676. Its totient is φ = 31641600.

The previous prime is 63943951. The next prime is 63943961. The reversal of 63943952 is 25934936.

It can be written as a sum of positive squares in 2 ways, for example, as 42562576 + 21381376 = 6524^2 + 4624^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63943951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19049 + ... + 22152.

Almost surely, 2^63943952 is an apocalyptic number.

It is an amenable number.

63943952 is a deficient number, since it is larger than the sum of its proper divisors (61227724).

63943952 is a wasteful number, since it uses less digits than its factorization.

63943952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41306 (or 41300 counting only the distinct ones).

The product of its digits is 174960, while the sum is 41.

The square root of 63943952 is about 7996.4962327259. The cubic root of 63943952 is about 399.8831992306.

The spelling of 63943952 in words is "sixty-three million, nine hundred forty-three thousand, nine hundred fifty-two".