50778007525 has 12 divisors (see below), whose sum is σ = 71959690912. Its totient is φ = 34819205040.

The previous prime is 50778007487. The next prime is 50778007529. The reversal of 50778007525 is 52570087705.

It is not a de Polignac number, because 50778007525 - 2²¹ = 50775910373 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 (50778007529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145079847 + ... + 145080196.

Almost surely, 2^50778007525 is an apocalyptic number.

It is an amenable number.

50778007525 is a deficient number, since it is larger than the sum of its proper divisors (21181683387).

50778007525 is a wasteful number, since it uses less digits than its factorization.

50778007525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290160060 (or 290160055 counting only the distinct ones).

The product of its (nonzero) digits is 686000, while the sum is 46.

The spelling of 50778007525 in words is "fifty billion, seven hundred seventy-eight million, seven thousand, five hundred twenty-five".