54157818396 has 72 divisors (see below), whose sum is σ = 139027868560. Its totient is φ = 16396427520.

The previous prime is 54157818373. The next prime is 54157818397. The reversal of 54157818396 is 69381875145.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54157818397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1622790 + ... + 1655826.

Almost surely, 2^54157818396 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 54157818396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69513934280).

54157818396 is an abundant number, since it is smaller than the sum of its proper divisors (84870050164).

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

54157818396 is a wasteful number, since it uses less digits than its factorization.

54157818396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34195 (or 34182 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 57.

The spelling of 54157818396 in words is "fifty-four billion, one hundred fifty-seven million, eight hundred eighteen thousand, three hundred ninety-six".