63057994 has 4 divisors (see below), whose sum is σ = 94586994. Its totient is φ = 31528996.

The previous prime is 63057971. The next prime is 63058003. The reversal of 63057994 is 49975036.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 35105625 + 27952369 = 5925^2 + 5287^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 63057994.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15764497 + ... + 15764500.

Almost surely, 2^63057994 is an apocalyptic number.

63057994 is a deficient number, since it is larger than the sum of its proper divisors (31529000).

63057994 is a wasteful number, since it uses less digits than its factorization.

63057994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31528999.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 63057994 is about 7940.9063714415. The cubic root of 63057994 is about 398.0277793460.

The spelling of 63057994 in words is "sixty-three million, fifty-seven thousand, nine hundred ninety-four".