63815054 has 4 divisors (see below), whose sum is σ = 95722584. Its totient is φ = 31907526.

The previous prime is 63815033. The next prime is 63815071. The reversal of 63815054 is 45051836.

It is a happy number.

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

It is a super-2 number, since 2×63815054² = 8144722234045832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63815054.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15953762 + ... + 15953765.

It is an arithmetic number, because the mean of its divisors is an integer number (23930646).

Almost surely, 2^63815054 is an apocalyptic number.

63815054 is a deficient number, since it is larger than the sum of its proper divisors (31907530).

63815054 is a wasteful number, since it uses less digits than its factorization.

63815054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31907529.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 63815054 is about 7988.4325120764. The cubic root of 63815054 is about 399.6143240881.

The spelling of 63815054 in words is "sixty-three million, eight hundred fifteen thousand, fifty-four".