49958390 has 16 divisors (see below), whose sum is σ = 91400400. Its totient is φ = 19655520.

The previous prime is 49958347. The next prime is 49958401. The reversal of 49958390 is 9385994.

It is a Curzon number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 40340 + ... + 41559.

It is an arithmetic number, because the mean of its divisors is an integer number (5712525).

Almost surely, 2^49958390 is an apocalyptic number.

49958390 is a deficient number, since it is larger than the sum of its proper divisors (41442010).

49958390 is a wasteful number, since it uses less digits than its factorization.

49958390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81967.

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 49958390 is about 7068.1249281546. The cubic root of 49958390 is about 368.3009264683.

The spelling of 49958390 in words is "forty-nine million, nine hundred fifty-eight thousand, three hundred ninety".