50728267525 has 24 divisors (see below), whose sum is σ = 68236273224. Its totient is φ = 37187404800.

The previous prime is 50728267517. The next prime is 50728267531. The reversal of 50728267525 is 52576282705.

It can be written as a sum of positive squares in 12 ways, for example, as 6736141476 + 43992126049 = 82074^2 + 209743^2 .

It is not a de Polignac number, because 50728267525 - 2³ = 50728267517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 525136 + ... + 614185.

It is an arithmetic number, because the mean of its divisors is an integer number (2843178051).

Almost surely, 2^50728267525 is an apocalyptic number.

It is an amenable number.

50728267525 is a deficient number, since it is larger than the sum of its proper divisors (17508005699).

50728267525 is a wasteful number, since it uses less digits than its factorization.

50728267525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139481 (or 1139476 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 49.

The spelling of 50728267525 in words is "fifty billion, seven hundred twenty-eight million, two hundred sixty-seven thousand, five hundred twenty-five".