50505550531 has 2 divisors, whose sum is σ = 50505550532. Its totient is φ = 50505550530.

The previous prime is 50505550519. The next prime is 50505550603. The reversal of 50505550531 is 13505550505.

50505550531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50505550531 is a prime.

It is a super-2 number, since 2×50505550531² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50505550231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25252775265 + 25252775266.

It is an arithmetic number, because the mean of its divisors is an integer number (25252775266).

Almost surely, 2^50505550531 is an apocalyptic number.

50505550531 is a deficient number, since it is larger than the sum of its proper divisors (1).

50505550531 is an equidigital number, since it uses as much as digits as its factorization.

50505550531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46875, while the sum is 34.

The spelling of 50505550531 in words is "fifty billion, five hundred five million, five hundred fifty thousand, five hundred thirty-one".