54133897718 has 4 divisors (see below), whose sum is σ = 81200846580. Its totient is φ = 27066948858.

The previous prime is 54133897711. The next prime is 54133897841. The reversal of 54133897718 is 81779833145.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81779833145 = 5 ⋅16355966629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54133897711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13533474428 + ... + 13533474431.

It is an arithmetic number, because the mean of its divisors is an integer number (20300211645).

Almost surely, 2^54133897718 is an apocalyptic number.

54133897718 is a deficient number, since it is larger than the sum of its proper divisors (27066948862).

54133897718 is a wasteful number, since it uses less digits than its factorization.

54133897718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27066948861.

The product of its digits is 5080320, while the sum is 56.

The spelling of 54133897718 in words is "fifty-four billion, one hundred thirty-three million, eight hundred ninety-seven thousand, seven hundred eighteen".