49915287 has 12 divisors (see below), whose sum is σ = 72969624. Its totient is φ = 32875440.

The previous prime is 49915279. The next prime is 49915297. The reversal of 49915287 is 78251994.

49915287 is a `hidden beast` number, since 499 + 152 + 8 + 7 = 666.

It is not a de Polignac number, because 49915287 - 2³ = 49915279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49915237) 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, 32664 + ... + 34157.

It is an arithmetic number, because the mean of its divisors is an integer number (6080802).

Almost surely, 2^49915287 is an apocalyptic number.

49915287 is a deficient number, since it is larger than the sum of its proper divisors (23054337).

49915287 is a wasteful number, since it uses less digits than its factorization.

49915287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66910 (or 66907 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 49915287 is about 7065.0751588359. The cubic root of 49915287 is about 368.1949753456.

The spelling of 49915287 in words is "forty-nine million, nine hundred fifteen thousand, two hundred eighty-seven".