47452311 has 12 divisors (see below), whose sum is σ = 71081192. Its totient is φ = 31634712.

The previous prime is 47452309. The next prime is 47452319. The reversal of 47452311 is 11325474.

It is not a de Polignac number, because 47452311 - 2¹ = 47452309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47452319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97396 + ... + 97881.

Almost surely, 2^47452311 is an apocalyptic number.

47452311 is a deficient number, since it is larger than the sum of its proper divisors (23628881).

47452311 is an equidigital number, since it uses as much as digits as its factorization.

47452311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195292 (or 195280 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 47452311 is about 6888.5637835473. The cubic root of 47452311 is about 362.0365819791.

Adding to 47452311 its reverse (11325474), we get a palindrome (58777785).

It can be divided in two parts, 4745 and 2311, that added together give a square (7056 = 84²).

The spelling of 47452311 in words is "forty-seven million, four hundred fifty-two thousand, three hundred eleven".