50861865600 has 768 divisors, whose sum is σ = 229131168000. Its totient is φ = 10729635840.

The previous prime is 50861865581. The next prime is 50861865617. The reversal of 50861865600 is 656816805.

50861865600 is a `hidden beast` number, since 5 + 0 + 8 + 6 + 1 + 86 + 560 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 95 ways as a sum of consecutive naturals, for example, 7859166 + ... + 7865634.

It is an arithmetic number, because the mean of its divisors is an integer number (298347875).

Almost surely, 2^50861865600 is an apocalyptic number.

50861865600 is a gapful number since it is divisible by the number (50) 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 50861865600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114565584000).

50861865600 is an abundant number, since it is smaller than the sum of its proper divisors (178269302400).

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

50861865600 is a wasteful number, since it uses less digits than its factorization.

50861865600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6522 (or 6499 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 50861865600 in words is "fifty billion, eight hundred sixty-one million, eight hundred sixty-five thousand, six hundred".