54431533005525 has 72 divisors (see below), whose sum is σ = 105819091589120. Its totient is φ = 26586061729920.

The previous prime is 54431533005511. The next prime is 54431533005557. The reversal of 54431533005525 is 52550033513445.

54431533005525 is a `hidden beast` number, since 5 + 4 + 4 + 315 + 3 + 300 + 5 + 5 + 25 = 666.

It is not a de Polignac number, because 54431533005525 - 2¹⁹ = 54431532481237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 72892585 + ... + 73635534.

Almost surely, 2^{54431533005525} is an apocalyptic number.

It is an amenable number.

54431533005525 is a deficient number, since it is larger than the sum of its proper divisors (51387558583595).

54431533005525 is a wasteful number, since it uses less digits than its factorization.

54431533005525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146528275 (or 146528267 counting only the distinct ones).

The product of its (nonzero) digits is 2700000, while the sum is 45.

The spelling of 54431533005525 in words is "fifty-four trillion, four hundred thirty-one billion, five hundred thirty-three million, five thousand, five hundred twenty-five".