49013905 has 4 divisors (see below), whose sum is σ = 58816692. Its totient is φ = 39211120.

The previous prime is 49013831. The next prime is 49013929. The reversal of 49013905 is 50931094.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50931094 = 2 ⋅25465547.

It can be written as a sum of positive squares in 2 ways, for example, as 34199104 + 14814801 = 5848^2 + 3849^2 .

It is not a de Polignac number, because 49013905 - 2¹⁵ = 48981137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4901386 + ... + 4901395.

It is an arithmetic number, because the mean of its divisors is an integer number (14704173).

Almost surely, 2^49013905 is an apocalyptic number.

It is an amenable number.

49013905 is a deficient number, since it is larger than the sum of its proper divisors (9802787).

49013905 is an equidigital number, since it uses as much as digits as its factorization.

49013905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9802786.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 49013905 is about 7000.9931438332. The cubic root of 49013905 is about 365.9651817734.

Adding to 49013905 its reverse (50931094), we get a palindrome (99944999).

The spelling of 49013905 in words is "forty-nine million, thirteen thousand, nine hundred five".