50137750778650 has 24 divisors (see below), whose sum is σ = 98164438368480. Its totient is φ = 18999568715760.

The previous prime is 50137750778611. The next prime is 50137750778699. The reversal of 50137750778650 is 5687705773105.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26388288934 + ... + 26388290833.

It is an arithmetic number, because the mean of its divisors is an integer number (4090184932020).

Almost surely, 2^{50137750778650} is an apocalyptic number.

50137750778650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50137750778650 is a deficient number, since it is larger than the sum of its proper divisors (48026687589830).

50137750778650 is a wasteful number, since it uses less digits than its factorization.

50137750778650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52776579798 (or 52776579793 counting only the distinct ones).

The product of its (nonzero) digits is 43218000, while the sum is 61.

The spelling of 50137750778650 in words is "fifty trillion, one hundred thirty-seven billion, seven hundred fifty million, seven hundred seventy-eight thousand, six hundred fifty".