50977997563 has 8 divisors (see below), whose sum is σ = 54891563760. Its totient is φ = 47166082560.

The previous prime is 50977997533. The next prime is 50977997573. The reversal of 50977997563 is 36579977905.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50977997563 - 2²¹ = 50975900411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50977997533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25411758 + ... + 25413763.

It is an arithmetic number, because the mean of its divisors is an integer number (6861445470).

Almost surely, 2^50977997563 is an apocalyptic number.

50977997563 is a deficient number, since it is larger than the sum of its proper divisors (3913566197).

50977997563 is a wasteful number, since it uses less digits than its factorization.

50977997563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50825597.

The product of its (nonzero) digits is 112521150, while the sum is 67.

The spelling of 50977997563 in words is "fifty billion, nine hundred seventy-seven million, nine hundred ninety-seven thousand, five hundred sixty-three".