54319340929784 has 128 divisors (see below), whose sum is σ = 122019983539200. Its totient is φ = 22164822789120.

The previous prime is 54319340929757. The next prime is 54319340929873. The reversal of 54319340929784 is 48792904391345.

It is a super-2 number, since 2×54319340929784² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1631733812 + ... + 1631767100.

It is an arithmetic number, because the mean of its divisors is an integer number (953281121400).

Almost surely, 2^{54319340929784} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54319340929784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61009991769600).

54319340929784 is an abundant number, since it is smaller than the sum of its proper divisors (67700642609416).

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

54319340929784 is a wasteful number, since it uses less digits than its factorization.

54319340929784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39133 (or 39129 counting only the distinct ones).

The product of its (nonzero) digits is 235146240, while the sum is 68.

The spelling of 54319340929784 in words is "fifty-four trillion, three hundred nineteen billion, three hundred forty million, nine hundred twenty-nine thousand, seven hundred eighty-four".