49905403 has 4 divisors (see below), whose sum is σ = 50608368. Its totient is φ = 49202440.

The previous prime is 49905397. The next prime is 49905407. The reversal of 49905403 is 30450994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49905403 - 2¹⁷ = 49774331 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (49905407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351376 + ... + 351517.

It is an arithmetic number, because the mean of its divisors is an integer number (12652092).

Almost surely, 2^49905403 is an apocalyptic number.

49905403 is a deficient number, since it is larger than the sum of its proper divisors (702965).

49905403 is an equidigital number, since it uses as much as digits as its factorization.

49905403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702964.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 49905403 is about 7064.3756270459. The cubic root of 49905403 is about 368.1706709719.

The spelling of 49905403 in words is "forty-nine million, nine hundred five thousand, four hundred three".