50251313563 has 16 divisors (see below), whose sum is σ = 58299776640. Its totient is φ = 42832454400.

The previous prime is 50251313551. The next prime is 50251313573. The reversal of 50251313563 is 36531315205.

It is a cyclic number.

It is not a de Polignac number, because 50251313563 - 2⁹ = 50251313051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50251313573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1219093 + ... + 1259638.

It is an arithmetic number, because the mean of its divisors is an integer number (3643736040).

Almost surely, 2^50251313563 is an apocalyptic number.

50251313563 is a deficient number, since it is larger than the sum of its proper divisors (8048463077).

50251313563 is a wasteful number, since it uses less digits than its factorization.

50251313563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478858.

The product of its (nonzero) digits is 40500, while the sum is 34.

Adding to 50251313563 its reverse (36531315205), we get a palindrome (86782628768).

The spelling of 50251313563 in words is "fifty billion, two hundred fifty-one million, three hundred thirteen thousand, five hundred sixty-three".