54187197537 has 16 divisors (see below), whose sum is σ = 81535596480. Its totient is φ = 31708286400.

The previous prime is 54187197529. The next prime is 54187197541. The reversal of 54187197537 is 73579178145.

It is not a de Polignac number, because 54187197537 - 2³ = 54187197529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54187193537) 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 15 ways as a sum of consecutive naturals, for example, 28310014 + ... + 28311927.

It is an arithmetic number, because the mean of its divisors is an integer number (5095974780).

Almost surely, 2^54187197537 is an apocalyptic number.

It is an amenable number.

54187197537 is a deficient number, since it is larger than the sum of its proper divisors (27348398943).

54187197537 is a wasteful number, since it uses less digits than its factorization.

54187197537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56621984.

The product of its digits is 7408800, while the sum is 57.

The spelling of 54187197537 in words is "fifty-four billion, one hundred eighty-seven million, one hundred ninety-seven thousand, five hundred thirty-seven".