50664593772 has 120 divisors (see below), whose sum is σ = 143235153600. Its totient is φ = 15523570944.

The previous prime is 50664593747. The next prime is 50664593797. The reversal of 50664593772 is 27739546605.

50664593772 is a `hidden beast` number, since 506 + 6 + 45 + 93 + 7 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (50664593747) and next prime (50664593797).

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 981504 + ... + 1031832.

It is an arithmetic number, because the mean of its divisors is an integer number (1193626280).

Almost surely, 2^50664593772 is an apocalyptic number.

50664593772 is a gapful number since it is divisible by the number (52) 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 50664593772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71617576800).

50664593772 is an abundant number, since it is smaller than the sum of its proper divisors (92570559828).

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

50664593772 is a wasteful number, since it uses less digits than its factorization.

50664593772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50597 (or 50586 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 54.

The spelling of 50664593772 in words is "fifty billion, six hundred sixty-four million, five hundred ninety-three thousand, seven hundred seventy-two".