50707131845 has 4 divisors (see below), whose sum is σ = 60848558220. Its totient is φ = 40565705472.

The previous prime is 50707131793. The next prime is 50707131857. The reversal of 50707131845 is 54813170705.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9396975844 + 41310156001 = 96938^2 + 203249^2 .

It is a cyclic number.

It is not a de Polignac number, because 50707131845 - 2¹² = 50707127749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5070713180 + ... + 5070713189.

It is an arithmetic number, because the mean of its divisors is an integer number (15212139555).

Almost surely, 2^50707131845 is an apocalyptic number.

It is an amenable number.

50707131845 is a deficient number, since it is larger than the sum of its proper divisors (10141426375).

50707131845 is a wasteful number, since it uses less digits than its factorization.

50707131845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10141426374.

The product of its (nonzero) digits is 117600, while the sum is 41.

The spelling of 50707131845 in words is "fifty billion, seven hundred seven million, one hundred thirty-one thousand, eight hundred forty-five".