50521652563 has 4 divisors (see below), whose sum is σ = 51042494440. Its totient is φ = 50000810688.

The previous prime is 50521652561. The next prime is 50521652581. The reversal of 50521652563 is 36525612505.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50521652563 - 2¹ = 50521652561 is a prime.

It is a super-3 number, since 3×50521652563³ (a number of 33 digits) contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50521652561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260420793 + ... + 260420986.

It is an arithmetic number, because the mean of its divisors is an integer number (12760623610).

Almost surely, 2^50521652563 is an apocalyptic number.

50521652563 is a deficient number, since it is larger than the sum of its proper divisors (520841877).

50521652563 is an equidigital number, since it uses as much as digits as its factorization.

50521652563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520841876.

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 50521652563 in words is "fifty billion, five hundred twenty-one million, six hundred fifty-two thousand, five hundred sixty-three".