49959565824 has 360 divisors, whose sum is σ = 158951121120. Its totient is φ = 13903368192.

The previous prime is 49959565783. The next prime is 49959565849. The reversal of 49959565824 is 42856595994.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

Its product of digits (139968000) is a multiple of the sum of its prime factors (480).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 139162957 + ... + 139163315.

It is an arithmetic number, because the mean of its divisors is an integer number (441530892).

Almost surely, 2^49959565824 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 49959565824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79475560560).

49959565824 is an abundant number, since it is smaller than the sum of its proper divisors (108991555296).

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

49959565824 is an equidigital number, since it uses as much as digits as its factorization.

49959565824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 414 counting only the distinct ones).

The product of its digits is 139968000, while the sum is 66.

The spelling of 49959565824 in words is "forty-nine billion, nine hundred fifty-nine million, five hundred sixty-five thousand, eight hundred twenty-four".