49894417 has 4 divisors (see below), whose sum is σ = 51111396. Its totient is φ = 48677440.

The previous prime is 49894409. The next prime is 49894433. The reversal of 49894417 is 71449894.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13424896 + 36469521 = 3664^2 + 6039^2 .

It is a cyclic number.

It is not a de Polignac number, because 49894417 - 2³ = 49894409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49894487) 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, 608428 + ... + 608509.

It is an arithmetic number, because the mean of its divisors is an integer number (12777849).

Almost surely, 2^49894417 is an apocalyptic number.

It is an amenable number.

49894417 is a deficient number, since it is larger than the sum of its proper divisors (1216979).

49894417 is a wasteful number, since it uses less digits than its factorization.

49894417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216978.

The product of its digits is 290304, while the sum is 46.

The square root of 49894417 is about 7063.5980208390. The cubic root of 49894417 is about 368.1436530567.

The spelling of 49894417 in words is "forty-nine million, eight hundred ninety-four thousand, four hundred seventeen".