49987525 has 12 divisors (see below), whose sum is σ = 70839712. Its totient is φ = 34277040.

The previous prime is 49987523. The next prime is 49987529. The reversal of 49987525 is 52578994.

It is not a de Polignac number, because 49987525 - 2¹ = 49987523 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 (49987523) 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, 142647 + ... + 142996.

Almost surely, 2^49987525 is an apocalyptic number.

It is an amenable number.

49987525 is a deficient number, since it is larger than the sum of its proper divisors (20852187).

49987525 is a wasteful number, since it uses less digits than its factorization.

49987525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285660 (or 285655 counting only the distinct ones).

The product of its digits is 907200, while the sum is 49.

The square root of 49987525 is about 7070.1856411271. The cubic root of 49987525 is about 368.3725084536.

The spelling of 49987525 in words is "forty-nine million, nine hundred eighty-seven thousand, five hundred twenty-five".