54261654621 has 16 divisors (see below), whose sum is σ = 76756377600. Its totient is φ = 34000667568.

The previous prime is 54261654613. The next prime is 54261654637. The reversal of 54261654621 is 12645616245.

54261654621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54261654621 - 2³ = 54261654613 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54261654611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3740631 + ... + 3755108.

It is an arithmetic number, because the mean of its divisors is an integer number (4797273600).

Almost surely, 2^54261654621 is an apocalyptic number.

It is an amenable number.

54261654621 is a deficient number, since it is larger than the sum of its proper divisors (22494722979).

54261654621 is a wasteful number, since it uses less digits than its factorization.

54261654621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7495888.

The product of its digits is 345600, while the sum is 42.

The spelling of 54261654621 in words is "fifty-four billion, two hundred sixty-one million, six hundred fifty-four thousand, six hundred twenty-one".