54693191839 has 8 divisors (see below), whose sum is σ = 64254938832. Its totient is φ = 45896384640.

The previous prime is 54693191797. The next prime is 54693191863. The reversal of 54693191839 is 93819139645.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54693191839 - 2¹¹ = 54693189791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54693191869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191234794 + ... + 191235079.

It is an arithmetic number, because the mean of its divisors is an integer number (8031867354).

Almost surely, 2^54693191839 is an apocalyptic number.

54693191839 is a deficient number, since it is larger than the sum of its proper divisors (9561746993).

54693191839 is a wasteful number, since it uses less digits than its factorization.

54693191839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382469897.

The product of its digits is 6298560, while the sum is 58.

The spelling of 54693191839 in words is "fifty-four billion, six hundred ninety-three million, one hundred ninety-one thousand, eight hundred thirty-nine".