49445867 has 4 divisors (see below), whose sum is σ = 49462776. Its totient is φ = 49428960.

The previous prime is 49445831. The next prime is 49445881. The reversal of 49445867 is 76854494.

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 49445867 - 2²⁴ = 32668651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49445897) 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, 2813 + ... + 10334.

It is an arithmetic number, because the mean of its divisors is an integer number (12365694).

Almost surely, 2^49445867 is an apocalyptic number.

49445867 is a deficient number, since it is larger than the sum of its proper divisors (16909).

49445867 is a wasteful number, since it uses less digits than its factorization.

49445867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16908.

The product of its digits is 967680, while the sum is 47.

The square root of 49445867 is about 7031.7755225832. The cubic root of 49445867 is about 367.0371286994.

The spelling of 49445867 in words is "forty-nine million, four hundred forty-five thousand, eight hundred sixty-seven".