49454399 has 4 divisors (see below), whose sum is σ = 49477536. Its totient is φ = 49431264.

The previous prime is 49454389. The next prime is 49454407. The reversal of 49454399 is 99345494.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99345494 = 2 ⋅49672747.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49454399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49454329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7994 + ... + 12759.

It is an arithmetic number, because the mean of its divisors is an integer number (12369384).

Almost surely, 2^49454399 is an apocalyptic number.

49454399 is a deficient number, since it is larger than the sum of its proper divisors (23137).

49454399 is a wasteful number, since it uses less digits than its factorization.

49454399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23136.

The product of its digits is 699840, while the sum is 47.

The square root of 49454399 is about 7032.3821710712. The cubic root of 49454399 is about 367.0582385236.

The spelling of 49454399 in words is "forty-nine million, four hundred fifty-four thousand, three hundred ninety-nine".