53891680404 has 12 divisors (see below), whose sum is σ = 125747254304. Its totient is φ = 17963893464.

The previous prime is 53891680387. The next prime is 53891680429. The reversal of 53891680404 is 40408619835.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2245486672 + ... + 2245486695.

Almost surely, 2^53891680404 is an apocalyptic number.

It is an amenable number.

53891680404 is an abundant number, since it is smaller than the sum of its proper divisors (71855573900).

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

53891680404 is a wasteful number, since it uses less digits than its factorization.

53891680404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4490973374 (or 4490973372 counting only the distinct ones).

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

The spelling of 53891680404 in words is "fifty-three billion, eight hundred ninety-one million, six hundred eighty thousand, four hundred four".