50728267531 has 2 divisors, whose sum is σ = 50728267532. Its totient is φ = 50728267530.

The previous prime is 50728267517. The next prime is 50728267571. The reversal of 50728267531 is 13576282705.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50728267531 - 2¹⁵ = 50728234763 is a prime.

It is a super-2 number, since 2×50728267531² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50728267501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25364133765 + 25364133766.

It is an arithmetic number, because the mean of its divisors is an integer number (25364133766).

Almost surely, 2^50728267531 is an apocalyptic number.

50728267531 is a deficient number, since it is larger than the sum of its proper divisors (1).

50728267531 is an equidigital number, since it uses as much as digits as its factorization.

50728267531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 50728267531 in words is "fifty billion, seven hundred twenty-eight million, two hundred sixty-seven thousand, five hundred thirty-one".