50261357663 has 16 divisors (see below), whose sum is σ = 55791286272. Its totient is φ = 44893212000.

The previous prime is 50261357593. The next prime is 50261357749. The reversal of 50261357663 is 36675316205.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 50261357663 - 2¹⁶ = 50261292127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50261357563) 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, 570170 + ... + 652392.

It is an arithmetic number, because the mean of its divisors is an integer number (3486955392).

Almost surely, 2^50261357663 is an apocalyptic number.

50261357663 is a deficient number, since it is larger than the sum of its proper divisors (5529928609).

50261357663 is a wasteful number, since it uses less digits than its factorization.

50261357663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83206.

The product of its (nonzero) digits is 680400, while the sum is 44.

The spelling of 50261357663 in words is "fifty billion, two hundred sixty-one million, three hundred fifty-seven thousand, six hundred sixty-three".