54791615808 has 224 divisors, whose sum is σ = 170802604800. Its totient is φ = 17164320768.

The previous prime is 54791615777. The next prime is 54791615863. The reversal of 54791615808 is 80851619745.

It is a happy number.

54791615808 is a `hidden beast` number, since 5 + 47 + 9 + 16 + 1 + 580 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37864941 + ... + 37866387.

Almost surely, 2^54791615808 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 54791615808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85401302400).

54791615808 is an abundant number, since it is smaller than the sum of its proper divisors (116010988992).

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

54791615808 is a wasteful number, since it uses less digits than its factorization.

54791615808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774 (or 2758 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 54.

The spelling of 54791615808 in words is "fifty-four billion, seven hundred ninety-one million, six hundred fifteen thousand, eight hundred eight".