53970407988 has 24 divisors (see below), whose sum is σ = 143921088192. Its totient is φ = 15420116544.

The previous prime is 53970407963. The next prime is 53970408043. The reversal of 53970407988 is 88970407935.

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, 321252345 + ... + 321252512.

It is an arithmetic number, because the mean of its divisors is an integer number (5996712008).

Almost surely, 2^53970407988 is an apocalyptic number.

It is an amenable number.

53970407988 is an abundant number, since it is smaller than the sum of its proper divisors (89950680204).

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

53970407988 is a wasteful number, since it uses less digits than its factorization.

53970407988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642504871 (or 642504869 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 60.

The spelling of 53970407988 in words is "fifty-three billion, nine hundred seventy million, four hundred seven thousand, nine hundred eighty-eight".