53398078940 has 12 divisors (see below), whose sum is σ = 112135965816. Its totient is φ = 21359231568.

The previous prime is 53398078901. The next prime is 53398078963. The reversal of 53398078940 is 4987089335.

53398078940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1334951954 + ... + 1334951993.

It is an arithmetic number, because the mean of its divisors is an integer number (9344663818).

Almost surely, 2^53398078940 is an apocalyptic number.

It is an amenable number.

53398078940 is an abundant number, since it is smaller than the sum of its proper divisors (58737886876).

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

53398078940 is a wasteful number, since it uses less digits than its factorization.

53398078940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669903956 (or 2669903954 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 53398078940 in words is "fifty-three billion, three hundred ninety-eight million, seventy-eight thousand, nine hundred forty".