49405043 has 4 divisors (see below), whose sum is σ = 52311240. Its totient is φ = 46498848.

The previous prime is 49405019. The next prime is 49405049. The reversal of 49405043 is 34050494.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34050494 = 2 ⋅17025247.

It is a cyclic number.

It is not a de Polignac number, because 49405043 - 2⁸ = 49404787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49404997 and 49405015.

It is not an unprimeable number, because it can be changed into a prime (49405049) 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, 1453073 + ... + 1453106.

It is an arithmetic number, because the mean of its divisors is an integer number (13077810).

Almost surely, 2^49405043 is an apocalyptic number.

49405043 is a deficient number, since it is larger than the sum of its proper divisors (2906197).

49405043 is a wasteful number, since it uses less digits than its factorization.

49405043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906196.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 49405043 is about 7028.8721001310. The cubic root of 49405043 is about 366.9360885770.

The spelling of 49405043 in words is "forty-nine million, four hundred five thousand, forty-three".