54869190187 has 16 divisors (see below), whose sum is σ = 64765622272. Its totient is φ = 45488900160.

The previous prime is 54869190133. The next prime is 54869190199. The reversal of 54869190187 is 78109196845.

It is a cyclic number.

It is not a de Polignac number, because 54869190187 - 2²⁷ = 54734972459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54869190127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337423 + ... + 472855.

It is an arithmetic number, because the mean of its divisors is an integer number (4047851392).

Almost surely, 2^54869190187 is an apocalyptic number.

54869190187 is a deficient number, since it is larger than the sum of its proper divisors (9896432085).

54869190187 is a wasteful number, since it uses less digits than its factorization.

54869190187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137338.

The product of its (nonzero) digits is 4354560, while the sum is 58.

The spelling of 54869190187 in words is "fifty-four billion, eight hundred sixty-nine million, one hundred ninety thousand, one hundred eighty-seven".