50445131522 has 4 divisors (see below), whose sum is σ = 75667697286. Its totient is φ = 25222565760.

The previous prime is 50445131507. The next prime is 50445131531. The reversal of 50445131522 is 22513154405.

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

It can be written as a sum of positive squares in only one way, i.e., 49951803001 + 493328521 = 223499^2 + 22211^2 .

It is a super-2 number, since 2×50445131522² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12611282879 + ... + 12611282882.

Almost surely, 2^50445131522 is an apocalyptic number.

50445131522 is a deficient number, since it is larger than the sum of its proper divisors (25222565764).

50445131522 is a wasteful number, since it uses less digits than its factorization.

50445131522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25222565763.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 50445131522 its reverse (22513154405), we get a palindrome (72958285927).

The spelling of 50445131522 in words is "fifty billion, four hundred forty-five million, one hundred thirty-one thousand, five hundred twenty-two".