50799752640 has 784 divisors, whose sum is σ = 223314694848. Its totient is φ = 10713710592.

The previous prime is 50799752617. The next prime is 50799752701. The reversal of 50799752640 is 4625799705.

50799752640 is a `hidden beast` number, since 5 + 0 + 79 + 9 + 7 + 526 + 40 = 666.

It is a super-2 number, since 2×50799752640² (a number of 22 digits) contains 22 as substring.

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 111 ways as a sum of consecutive naturals, for example, 21227284 + ... + 21229676.

It is an arithmetic number, because the mean of its divisors is an integer number (284840172).

Almost surely, 2^50799752640 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 50799752640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111657347424).

50799752640 is an abundant number, since it is smaller than the sum of its proper divisors (172514942208).

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

50799752640 is a wasteful number, since it uses less digits than its factorization.

50799752640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448 (or 2423 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 54.

The spelling of 50799752640 in words is "fifty billion, seven hundred ninety-nine million, seven hundred fifty-two thousand, six hundred forty".