49192689 has 48 divisors (see below), whose sum is σ = 82639872. Its totient is φ = 25481664.

The previous prime is 49192687. The next prime is 49192709. The reversal of 49192689 is 98629194.

49192689 = 337² + 338² + ... + 570².

It is not a de Polignac number, because 49192689 - 2¹ = 49192687 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49192687) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 294484 + ... + 294650.

It is an arithmetic number, because the mean of its divisors is an integer number (1721664).

Almost surely, 2^49192689 is an apocalyptic number.

It is an amenable number.

49192689 is a deficient number, since it is larger than the sum of its proper divisors (33447183).

49192689 is a wasteful number, since it uses less digits than its factorization.

49192689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 273 counting only the distinct ones).

The product of its digits is 279936, while the sum is 48.

The square root of 49192689 is about 7013.7499955445. The cubic root of 49192689 is about 366.4096089000.

The spelling of 49192689 in words is "forty-nine million, one hundred ninety-two thousand, six hundred eighty-nine".