54734357621 has 4 divisors (see below), whose sum is σ = 54738096000. Its totient is φ = 54730619244.

The previous prime is 54734357603. The next prime is 54734357627. The reversal of 54734357621 is 12675343745.

It is a happy number.

54734357621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54734357621 - 2¹⁰ = 54734356597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54734357627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1847141 + ... + 1876538.

It is an arithmetic number, because the mean of its divisors is an integer number (13684524000).

Almost surely, 2^54734357621 is an apocalyptic number.

It is an amenable number.

54734357621 is a deficient number, since it is larger than the sum of its proper divisors (3738379).

54734357621 is a wasteful number, since it uses less digits than its factorization.

54734357621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3738378.

The product of its digits is 2116800, while the sum is 47.

The spelling of 54734357621 in words is "fifty-four billion, seven hundred thirty-four million, three hundred fifty-seven thousand, six hundred twenty-one".