49453279 has 2 divisors, whose sum is σ = 49453280. Its totient is φ = 49453278.

The previous prime is 49453253. The next prime is 49453297. The reversal of 49453279 is 97235494.

Together with next prime (49453297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49453279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49453379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24726639 + 24726640.

It is an arithmetic number, because the mean of its divisors is an integer number (24726640).

Almost surely, 2^49453279 is an apocalyptic number.

49453279 is a deficient number, since it is larger than the sum of its proper divisors (1).

49453279 is an equidigital number, since it uses as much as digits as its factorization.

49453279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 43.

The square root of 49453279 is about 7032.3025389982. The cubic root of 49453279 is about 367.0554675646.

The spelling of 49453279 in words is "forty-nine million, four hundred fifty-three thousand, two hundred seventy-nine".