47255357 has 4 divisors (see below), whose sum is σ = 47673660. Its totient is φ = 46837056.

The previous prime is 47255339. The next prime is 47255371. The reversal of 47255357 is 75355274.

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 729316 + 46526041 = 854^2 + 6821^2 .

It is a cyclic number.

It is not a de Polignac number, because 47255357 - 2⁸ = 47255101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47255357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47255387) 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, 208982 + ... + 209207.

It is an arithmetic number, because the mean of its divisors is an integer number (11918415).

Almost surely, 2^47255357 is an apocalyptic number.

It is an amenable number.

47255357 is a deficient number, since it is larger than the sum of its proper divisors (418303).

47255357 is a wasteful number, since it uses less digits than its factorization.

47255357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418302.

The product of its digits is 147000, while the sum is 38.

The square root of 47255357 is about 6874.2531958024. The cubic root of 47255357 is about 361.5350016836.

The spelling of 47255357 in words is "forty-seven million, two hundred fifty-five thousand, three hundred fifty-seven".