47339557 has 4 divisors (see below), whose sum is σ = 47653216. Its totient is φ = 47025900.

The previous prime is 47339503. The next prime is 47339561. The reversal of 47339557 is 75593374.

It is a happy number.

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 47339557 - 2²³ = 38950949 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 (47339597) 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 3 ways as a sum of consecutive naturals, for example, 156603 + ... + 156904.

It is an arithmetic number, because the mean of its divisors is an integer number (11913304).

Almost surely, 2^47339557 is an apocalyptic number.

It is an amenable number.

47339557 is a deficient number, since it is larger than the sum of its proper divisors (313659).

47339557 is a wasteful number, since it uses less digits than its factorization.

47339557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313658.

The product of its digits is 396900, while the sum is 43.

The square root of 47339557 is about 6880.3747717693. The cubic root of 47339557 is about 361.7496029958.

The spelling of 47339557 in words is "forty-seven million, three hundred thirty-nine thousand, five hundred fifty-seven".