54245517131 has 4 divisors (see below), whose sum is σ = 58418249232. Its totient is φ = 50072785032.

The previous prime is 54245517091. The next prime is 54245517167. The reversal of 54245517131 is 13171554245.

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

It is a cyclic number.

It is not a de Polignac number, because 54245517131 - 2¹⁴ = 54245500747 is a prime.

It is a super-2 number, since 2×54245517131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54245517631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2086366031 + ... + 2086366056.

It is an arithmetic number, because the mean of its divisors is an integer number (14604562308).

Almost surely, 2^54245517131 is an apocalyptic number.

54245517131 is a deficient number, since it is larger than the sum of its proper divisors (4172732101).

54245517131 is a wasteful number, since it uses less digits than its factorization.

54245517131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4172732100.

The product of its digits is 84000, while the sum is 38.

The spelling of 54245517131 in words is "fifty-four billion, two hundred forty-five million, five hundred seventeen thousand, one hundred thirty-one".