49987605 has 8 divisors (see below), whose sum is σ = 79980192. Its totient is φ = 26660048.

The previous prime is 49987603. The next prime is 49987643. The reversal of 49987605 is 50678994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49987605 - 2¹ = 49987603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49987603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1666239 + ... + 1666268.

It is an arithmetic number, because the mean of its divisors is an integer number (9997524).

Almost surely, 2^49987605 is an apocalyptic number.

It is an amenable number.

49987605 is a deficient number, since it is larger than the sum of its proper divisors (29992587).

49987605 is a wasteful number, since it uses less digits than its factorization.

49987605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3332515.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 49987605 is about 7070.1912986849. The cubic root of 49987605 is about 368.3727049679.

The spelling of 49987605 in words is "forty-nine million, nine hundred eighty-seven thousand, six hundred five".