54513932487 has 16 divisors (see below), whose sum is σ = 87955252992. Its totient is φ = 29318417280.

The previous prime is 54513932443. The next prime is 54513932491. The reversal of 54513932487 is 78423931545.

It is not a de Polignac number, because 54513932487 - 2⁶ = 54513932423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54513932887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76349689 + ... + 76350402.

It is an arithmetic number, because the mean of its divisors is an integer number (5497203312).

Almost surely, 2^54513932487 is an apocalyptic number.

54513932487 is a deficient number, since it is larger than the sum of its proper divisors (33441320505).

54513932487 is a wasteful number, since it uses less digits than its factorization.

54513932487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152700118.

The product of its digits is 3628800, while the sum is 51.

The spelling of 54513932487 in words is "fifty-four billion, five hundred thirteen million, nine hundred thirty-two thousand, four hundred eighty-seven".