49986530 has 32 divisors (see below), whose sum is σ = 103325760. Its totient is φ = 17219520.

The previous prime is 49986529. The next prime is 49986553. The reversal of 49986530 is 3568994.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9869 + ... + 14048.

It is an arithmetic number, because the mean of its divisors is an integer number (3228930).

Almost surely, 2^49986530 is an apocalyptic number.

49986530 is an abundant number, since it is smaller than the sum of its proper divisors (53339230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49986530 is a wasteful number, since it uses less digits than its factorization.

49986530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23954.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 49986530 is about 7070.1152748735. The cubic root of 49986530 is about 368.3700642899.

The spelling of 49986530 in words is "forty-nine million, nine hundred eighty-six thousand, five hundred thirty".