47957449 has 4 divisors (see below), whose sum is σ = 48275200. Its totient is φ = 47639700.

The previous prime is 47957431. The next prime is 47957453. The reversal of 47957449 is 94475974.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47957449 - 2⁵ = 47957417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47957489) 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, 158649 + ... + 158950.

It is an arithmetic number, because the mean of its divisors is an integer number (12068800).

Almost surely, 2^47957449 is an apocalyptic number.

It is an amenable number.

47957449 is a deficient number, since it is larger than the sum of its proper divisors (317751).

47957449 is a wasteful number, since it uses less digits than its factorization.

47957449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317750.

The product of its digits is 1270080, while the sum is 49.

The square root of 47957449 is about 6925.1316954986. The cubic root of 47957449 is about 363.3166975147.

The spelling of 47957449 in words is "forty-seven million, nine hundred fifty-seven thousand, four hundred forty-nine".