54643907420 has 12 divisors (see below), whose sum is σ = 114752205624. Its totient is φ = 21857562960.

The previous prime is 54643907411. The next prime is 54643907441. The reversal of 54643907420 is 2470934645.

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, 1366097666 + ... + 1366097705.

It is an arithmetic number, because the mean of its divisors is an integer number (9562683802).

Almost surely, 2^54643907420 is an apocalyptic number.

It is an amenable number.

54643907420 is an abundant number, since it is smaller than the sum of its proper divisors (60108298204).

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

54643907420 is a wasteful number, since it uses less digits than its factorization.

54643907420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732195380 (or 2732195378 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 54643907420 in words is "fifty-four billion, six hundred forty-three million, nine hundred seven thousand, four hundred twenty".