49905399 has 8 divisors (see below), whose sum is σ = 67956480. Its totient is φ = 32562296.

The previous prime is 49905397. The next prime is 49905407. The reversal of 49905399 is 99350994.

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 49905399 - 2¹ = 49905397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49905391) 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, 176829 + ... + 177110.

It is an arithmetic number, because the mean of its divisors is an integer number (8494560).

Almost surely, 2^49905399 is an apocalyptic number.

49905399 is a deficient number, since it is larger than the sum of its proper divisors (18051081).

49905399 is a wasteful number, since it uses less digits than its factorization.

49905399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353989.

The product of its (nonzero) digits is 393660, while the sum is 48.

The square root of 49905399 is about 7064.3753439352. The cubic root of 49905399 is about 368.1706611354.

The spelling of 49905399 in words is "forty-nine million, nine hundred five thousand, three hundred ninety-nine".