63557675536 has 40 divisors (see below), whose sum is σ = 127417380480. Its totient is φ = 30676254336.

The previous prime is 63557675501. The next prime is 63557675557.

63557675536 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2568921 + ... + 2593543.

It is an arithmetic number, because the mean of its divisors is an integer number (3185434512).

Almost surely, 2^63557675536 is an apocalyptic number.

It is an amenable number.

63557675536 is an abundant number, since it is smaller than the sum of its proper divisors (63859704944).

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

63557675536 is a wasteful number, since it uses less digits than its factorization.

63557675536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30223 (or 30217 counting only the distinct ones).

The product of its digits is 59535000, while the sum is 58.

The spelling of 63557675536 in words is "sixty-three billion, five hundred fifty-seven million, six hundred seventy-five thousand, five hundred thirty-six".