54497834391 has 64 divisors (see below), whose sum is σ = 100199586816. Its totient is φ = 25426483200.

The previous prime is 54497834383. The next prime is 54497834411. The reversal of 54497834391 is 19343879445.

It is a happy number.

It is not a de Polignac number, because 54497834391 - 2³ = 54497834383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54497834591) 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 63 ways as a sum of consecutive naturals, for example, 134130 + ... + 356351.

It is an arithmetic number, because the mean of its divisors is an integer number (1565618544).

Almost surely, 2^54497834391 is an apocalyptic number.

54497834391 is a deficient number, since it is larger than the sum of its proper divisors (45701752425).

54497834391 is a wasteful number, since it uses less digits than its factorization.

54497834391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490552.

The product of its digits is 13063680, while the sum is 57.

It can be divided in two parts, 54497 and 834391, that added together give a palindrome (888888).

The spelling of 54497834391 in words is "fifty-four billion, four hundred ninety-seven million, eight hundred thirty-four thousand, three hundred ninety-one".