54140534784 has 680 divisors, whose sum is σ = 194882654208. Its totient is φ = 14651228160.

The previous prime is 54140534759. The next prime is 54140534813. The reversal of 54140534784 is 48743504145.

54140534784 is a `hidden beast` number, since 5 + 4 + 1 + 40 + 534 + 78 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1151926249 + ... + 1151926295.

Almost surely, 2^54140534784 is an apocalyptic number.

54140534784 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54140534784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97441327104).

54140534784 is an abundant number, since it is smaller than the sum of its proper divisors (140742119424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54140534784 is an frugal number, since it uses more digits than its factorization.

54140534784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 45.

The spelling of 54140534784 in words is "fifty-four billion, one hundred forty million, five hundred thirty-four thousand, seven hundred eighty-four".