63557852540 has 48 divisors (see below), whose sum is σ = 164272608192. Its totient is φ = 20115012096.

The previous prime is 63557852471. The next prime is 63557852543. The reversal of 63557852540 is 4525875536.

It is a super-3 number, since 3×63557852540³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63557852543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17459129 + ... + 17462768.

It is an arithmetic number, because the mean of its divisors is an integer number (3422346004).

Almost surely, 2^63557852540 is an apocalyptic number.

It is an amenable number.

63557852540 is an abundant number, since it is smaller than the sum of its proper divisors (100714755652).

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

63557852540 is a wasteful number, since it uses less digits than its factorization.

63557852540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34921926 (or 34921924 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 50.

The spelling of 63557852540 in words is "sixty-three billion, five hundred fifty-seven million, eight hundred fifty-two thousand, five hundred forty".