54100242431 has 4 divisors (see below), whose sum is σ = 54129535152. Its totient is φ = 54070949712.

The previous prime is 54100242409. The next prime is 54100242479. The reversal of 54100242431 is 13424200145.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54100242431 is a prime.

It is a super-2 number, since 2×54100242431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54100242431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54100242491) 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, 14643590 + ... + 14647283.

It is an arithmetic number, because the mean of its divisors is an integer number (13532383788).

Almost surely, 2^54100242431 is an apocalyptic number.

54100242431 is a deficient number, since it is larger than the sum of its proper divisors (29292721).

54100242431 is a wasteful number, since it uses less digits than its factorization.

54100242431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29292720.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 54100242431 its reverse (13424200145), we get a palindrome (67524442576).

The spelling of 54100242431 in words is "fifty-four billion, one hundred million, two hundred forty-two thousand, four hundred thirty-one".