54131497557 has 8 divisors (see below), whose sum is σ = 72329882976. Its totient is φ = 36010388592.

The previous prime is 54131497523. The next prime is 54131497573. The reversal of 54131497557 is 75579413145.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54131497557 - 2⁷ = 54131497429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54131497517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19317478 + ... + 19320279.

It is an arithmetic number, because the mean of its divisors is an integer number (9041235372).

Almost surely, 2^54131497557 is an apocalyptic number.

It is an amenable number.

54131497557 is a deficient number, since it is larger than the sum of its proper divisors (18198385419).

54131497557 is a wasteful number, since it uses less digits than its factorization.

54131497557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38638227.

The product of its digits is 2646000, while the sum is 51.

The spelling of 54131497557 in words is "fifty-four billion, one hundred thirty-one million, four hundred ninety-seven thousand, five hundred fifty-seven".