54187871769 has 48 divisors (see below), whose sum is σ = 84771523200. Its totient is φ = 33242400000.

The previous prime is 54187871761. The next prime is 54187871791. The reversal of 54187871769 is 96717878145.

54187871769 is a `hidden beast` number, since 541 + 8 + 7 + 87 + 1 + 7 + 6 + 9 = 666.

It is not a de Polignac number, because 54187871769 - 2³ = 54187871761 is a prime.

It is a super-2 number, since 2×54187871769² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54187871761) 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 47 ways as a sum of consecutive naturals, for example, 1588644 + ... + 1622394.

It is an arithmetic number, because the mean of its divisors is an integer number (1766073400).

Almost surely, 2^54187871769 is an apocalyptic number.

It is an amenable number.

54187871769 is a deficient number, since it is larger than the sum of its proper divisors (30583651431).

54187871769 is a wasteful number, since it uses less digits than its factorization.

54187871769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34046 (or 34043 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 63.

The spelling of 54187871769 in words is "fifty-four billion, one hundred eighty-seven million, eight hundred seventy-one thousand, seven hundred sixty-nine".