54512251354431 has 48 divisors (see below), whose sum is σ = 85462296978240. Its totient is φ = 33283484029440.

The previous prime is 54512251354397. The next prime is 54512251354499. The reversal of 54512251354431 is 13445315221545.

54512251354431 is a `hidden beast` number, since 5 + 4 + 5 + 1 + 2 + 251 + 354 + 43 + 1 = 666.

It is not a de Polignac number, because 54512251354431 - 2¹⁸ = 54512251092287 is a prime.

It is a super-2 number, since 2×54512251354431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54512251374431) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7992115 + ... + 13149083.

It is an arithmetic number, because the mean of its divisors is an integer number (1780464520380).

Almost surely, 2^{54512251354431} is an apocalyptic number.

54512251354431 is a deficient number, since it is larger than the sum of its proper divisors (30950045623809).

54512251354431 is a wasteful number, since it uses less digits than its factorization.

54512251354431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5157696 (or 5157693 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 45.

Adding to 54512251354431 its reverse (13445315221545), we get a palindrome (67957566575976).

The spelling of 54512251354431 in words is "fifty-four trillion, five hundred twelve billion, two hundred fifty-one million, three hundred fifty-four thousand, four hundred thirty-one".