49905473 has 4 divisors (see below), whose sum is σ = 49925568. Its totient is φ = 49885380.

The previous prime is 49905461. The next prime is 49905481. The reversal of 49905473 is 37450994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49905473 - 2¹⁴ = 49889089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49905473.

It is not an unprimeable number, because it can be changed into a prime (49905073) 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, 5693 + ... + 11498.

It is an arithmetic number, because the mean of its divisors is an integer number (12481392).

Almost surely, 2^49905473 is an apocalyptic number.

It is an amenable number.

49905473 is a deficient number, since it is larger than the sum of its proper divisors (20095).

49905473 is a wasteful number, since it uses less digits than its factorization.

49905473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20094.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 49905473 is about 7064.3805814806. The cubic root of 49905473 is about 368.1708431104.

The spelling of 49905473 in words is "forty-nine million, nine hundred five thousand, four hundred seventy-three".