49984457 has 4 divisors (see below), whose sum is σ = 50443140. Its totient is φ = 49525776.

The previous prime is 49984433. The next prime is 49984463. The reversal of 49984457 is 75448994.

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 32478601 + 17505856 = 5699^2 + 4184^2 .

It is a cyclic number.

It is not a de Polignac number, because 49984457 - 2⁶ = 49984393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49984057) 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, 229178 + ... + 229395.

It is an arithmetic number, because the mean of its divisors is an integer number (12610785).

Almost surely, 2^49984457 is an apocalyptic number.

It is an amenable number.

49984457 is a deficient number, since it is larger than the sum of its proper divisors (458683).

49984457 is a wasteful number, since it uses less digits than its factorization.

49984457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458682.

The product of its digits is 1451520, while the sum is 50.

The square root of 49984457 is about 7069.9686703691. The cubic root of 49984457 is about 368.3649719734.

The spelling of 49984457 in words is "forty-nine million, nine hundred eighty-four thousand, four hundred fifty-seven".