50890895957 has 12 divisors (see below), whose sum is σ = 56491781388. Its totient is φ = 45806376000.

The previous prime is 50890895947. The next prime is 50890896013. The reversal of 50890895957 is 75959809805.

It can be written as a sum of positive squares in 2 ways, for example, as 42557214436 + 8333681521 = 206294^2 + 91289^2 .

It is not a de Polignac number, because 50890895957 - 2¹² = 50890891861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50890895893 and 50890895902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50890895917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2069888 + ... + 2094329.

It is an arithmetic number, because the mean of its divisors is an integer number (4707648449).

Almost surely, 2^50890895957 is an apocalyptic number.

It is an amenable number.

50890895957 is a deficient number, since it is larger than the sum of its proper divisors (5600885431).

50890895957 is a wasteful number, since it uses less digits than its factorization.

50890895957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164340 (or 4164329 counting only the distinct ones).

The product of its (nonzero) digits is 40824000, while the sum is 65.

The spelling of 50890895957 in words is "fifty billion, eight hundred ninety million, eight hundred ninety-five thousand, nine hundred fifty-seven".