50459971258 has 4 divisors (see below), whose sum is σ = 75689956890. Its totient is φ = 25229985628.

The previous prime is 50459971253. The next prime is 50459971273. The reversal of 50459971258 is 85217995405.

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., 45197484409 + 5262486849 = 212597^2 + 72543^2 .

It is a super-2 number, since 2×50459971258² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50459971199 and 50459971208.

It is not an unprimeable number, because it can be changed into a prime (50459971253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12614992813 + ... + 12614992816.

Almost surely, 2^50459971258 is an apocalyptic number.

50459971258 is a deficient number, since it is larger than the sum of its proper divisors (25229985632).

50459971258 is a wasteful number, since it uses less digits than its factorization.

50459971258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25229985631.

The product of its (nonzero) digits is 4536000, while the sum is 55.

The spelling of 50459971258 in words is "fifty billion, four hundred fifty-nine million, nine hundred seventy-one thousand, two hundred fifty-eight".