53640149880 has 32 divisors (see below), whose sum is σ = 160920450000. Its totient is φ = 14304039936.

The previous prime is 53640149863. The next prime is 53640149891. The reversal of 53640149880 is 8894104635.

It is a congruent number.

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, 223500505 + ... + 223500744.

Almost surely, 2^53640149880 is an apocalyptic number.

It is an amenable number.

53640149880 is an abundant number, since it is smaller than the sum of its proper divisors (107280300120).

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

53640149880 is a wasteful number, since it uses less digits than its factorization.

53640149880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447001263 (or 447001259 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 53640149880 in words is "fifty-three billion, six hundred forty million, one hundred forty-nine thousand, eight hundred eighty".