49447405 has 16 divisors (see below), whose sum is σ = 71383680. Its totient is φ = 32121792.

The previous prime is 49447397. The next prime is 49447423. The reversal of 49447405 is 50474494.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 49447405 - 2³ = 49447397 is a prime.

It is a super-2 number, since 2×49447405² = 4890091722468050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36514 + ... + 37843.

It is an arithmetic number, because the mean of its divisors is an integer number (4461480).

Almost surely, 2^49447405 is an apocalyptic number.

It is an amenable number.

49447405 is a deficient number, since it is larger than the sum of its proper divisors (21936275).

49447405 is a wasteful number, since it uses less digits than its factorization.

49447405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74388.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 49447405 is about 7031.8848824479. The cubic root of 49447405 is about 367.0409341893.

The spelling of 49447405 in words is "forty-nine million, four hundred forty-seven thousand, four hundred five".