50502553258 has 4 divisors (see below), whose sum is σ = 75753829890. Its totient is φ = 25251276628.

The previous prime is 50502553207. The next prime is 50502553271. The reversal of 50502553258 is 85235520505.

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., 45570721729 + 4931831529 = 213473^2 + 70227^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 50502553258.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12625638313 + ... + 12625638316.

Almost surely, 2^50502553258 is an apocalyptic number.

50502553258 is a deficient number, since it is larger than the sum of its proper divisors (25251276632).

50502553258 is a wasteful number, since it uses less digits than its factorization.

50502553258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25251276631.

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 50502553258 in words is "fifty billion, five hundred two million, five hundred fifty-three thousand, two hundred fifty-eight".