49865550 has 48 divisors (see below), whose sum is σ = 141336192. Its totient is φ = 11397600.

The previous prime is 49865549. The next prime is 49865567. The reversal of 49865550 is 5556894.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22696 + ... + 24795.

It is an arithmetic number, because the mean of its divisors is an integer number (2944504).

Almost surely, 2^49865550 is an apocalyptic number.

49865550 is an abundant number, since it is smaller than the sum of its proper divisors (91470642).

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

49865550 is a wasteful number, since it uses less digits than its factorization.

49865550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47513 (or 47508 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 49865550 is about 7061.5543614703. The cubic root of 49865550 is about 368.0726414177.

The spelling of 49865550 in words is "forty-nine million, eight hundred sixty-five thousand, five hundred fifty".