50897297522 has 4 divisors (see below), whose sum is σ = 76345946286. Its totient is φ = 25448648760.

The previous prime is 50897297513. The next prime is 50897297533. The reversal of 50897297522 is 22579279805.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22579279805 = 5 ⋅4515855961.

It can be written as a sum of positive squares in only one way, i.e., 30764809201 + 20132488321 = 175399^2 + 141889^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12724324379 + ... + 12724324382.

Almost surely, 2^50897297522 is an apocalyptic number.

50897297522 is a deficient number, since it is larger than the sum of its proper divisors (25448648764).

50897297522 is a wasteful number, since it uses less digits than its factorization.

50897297522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25448648763.

The product of its (nonzero) digits is 6350400, while the sum is 56.

The spelling of 50897297522 in words is "fifty billion, eight hundred ninety-seven million, two hundred ninety-seven thousand, five hundred twenty-two".