54815088639 has 8 divisors (see below), whose sum is σ = 73088931760. Its totient is φ = 36542318976.

The previous prime is 54815088637. The next prime is 54815088661. The reversal of 54815088639 is 93688051845.

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

It is not a de Polignac number, because 54815088639 - 2¹ = 54815088637 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 (54815088631) 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, 140512 + ... + 359685.

It is an arithmetic number, because the mean of its divisors is an integer number (9136116470).

Almost surely, 2^54815088639 is an apocalyptic number.

54815088639 is a deficient number, since it is larger than the sum of its proper divisors (18273843121).

54815088639 is a wasteful number, since it uses less digits than its factorization.

54815088639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536729.

The product of its (nonzero) digits is 8294400, while the sum is 57.

The spelling of 54815088639 in words is "fifty-four billion, eight hundred fifteen million, eighty-eight thousand, six hundred thirty-nine".