47255399 has 4 divisors (see below), whose sum is σ = 47921040. Its totient is φ = 46589760.

The previous prime is 47255387. The next prime is 47255407. The reversal of 47255399 is 99355274.

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 47255399 - 2²⁴ = 30478183 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 (47255339) 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, 332714 + ... + 332855.

It is an arithmetic number, because the mean of its divisors is an integer number (11980260).

Almost surely, 2^47255399 is an apocalyptic number.

47255399 is a deficient number, since it is larger than the sum of its proper divisors (665641).

47255399 is an equidigital number, since it uses as much as digits as its factorization.

47255399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665640.

The product of its digits is 340200, while the sum is 44.

The square root of 47255399 is about 6874.2562506791. The cubic root of 47255399 is about 361.5351087929.

The spelling of 47255399 in words is "forty-seven million, two hundred fifty-five thousand, three hundred ninety-nine".