54140035887 has 48 divisors (see below), whose sum is σ = 95211567360. Its totient is φ = 28955719296.

The previous prime is 54140035837. The next prime is 54140035889. The reversal of 54140035887 is 78853004145.

54140035887 is a `hidden beast` number, since 54 + 14 + 0 + 0 + 3 + 588 + 7 = 666.

It is not a de Polignac number, because 54140035887 - 2⁷ = 54140035759 is a prime.

It is a super-2 number, since 2×54140035887² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54140035889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 173118 + ... + 371819.

It is an arithmetic number, because the mean of its divisors is an integer number (1983574320).

Almost surely, 2^54140035887 is an apocalyptic number.

54140035887 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

54140035887 is a deficient number, since it is larger than the sum of its proper divisors (41071531473).

54140035887 is a wasteful number, since it uses less digits than its factorization.

54140035887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545052 (or 545049 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 54140035887 in words is "fifty-four billion, one hundred forty million, thirty-five thousand, eight hundred eighty-seven".