50687538408 has 384 divisors, whose sum is σ = 158789030400. Its totient is φ = 14493523968.

The previous prime is 50687538301. The next prime is 50687538479. The reversal of 50687538408 is 80483578605.

50687538408 is a `hidden beast` number, since 5 + 0 + 68 + 7 + 538 + 40 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 85476160 + ... + 85476752.

It is an arithmetic number, because the mean of its divisors is an integer number (413513100).

Almost surely, 2^50687538408 is an apocalyptic number.

50687538408 is a gapful number since it is divisible by the number (58) 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 50687538408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79394515200).

50687538408 is an abundant number, since it is smaller than the sum of its proper divisors (108101491992).

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

50687538408 is a wasteful number, since it uses less digits than its factorization.

50687538408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761 (or 754 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 50687538408 in words is "fifty billion, six hundred eighty-seven million, five hundred thirty-eight thousand, four hundred eight".