50297780736 has 800 divisors, whose sum is σ = 185567551488. Its totient is φ = 13302558720.

The previous prime is 50297780693. The next prime is 50297780749. The reversal of 50297780736 is 63708779205.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1622509041 + ... + 1622509071.

Almost surely, 2^50297780736 is an apocalyptic number.

50297780736 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50297780736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92783775744).

50297780736 is an abundant number, since it is smaller than the sum of its proper divisors (135269770752).

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

50297780736 is an frugal number, since it uses more digits than its factorization.

50297780736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 54.

The spelling of 50297780736 in words is "fifty billion, two hundred ninety-seven million, seven hundred eighty thousand, seven hundred thirty-six".