54501231421 has 24 divisors (see below), whose sum is σ = 68914450080. Its totient is φ = 42718792032.

The previous prime is 54501231391. The next prime is 54501231437. The reversal of 54501231421 is 12413210545.

54501231421 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 54501231421 - 2¹³ = 54501223229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54501231421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54501231451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 331651 + ... + 467968.

It is an arithmetic number, because the mean of its divisors is an integer number (2871435420).

Almost surely, 2^54501231421 is an apocalyptic number.

It is an amenable number.

54501231421 is a deficient number, since it is larger than the sum of its proper divisors (14413218659).

54501231421 is a wasteful number, since it uses less digits than its factorization.

54501231421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799753 (or 799746 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 54501231421 its reverse (12413210545), we get a palindrome (66914441966).

The spelling of 54501231421 in words is "fifty-four billion, five hundred one million, two hundred thirty-one thousand, four hundred twenty-one".