47965557 has 16 divisors (see below), whose sum is σ = 70248960. Its totient is φ = 28976112.

The previous prime is 47965549. The next prime is 47965591. The reversal of 47965557 is 75556974.

It is not a de Polignac number, because 47965557 - 2³ = 47965549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47965537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16983 + ... + 19604.

It is an arithmetic number, because the mean of its divisors is an integer number (4390560).

Almost surely, 2^47965557 is an apocalyptic number.

It is an amenable number.

47965557 is a deficient number, since it is larger than the sum of its proper divisors (22283403).

47965557 is a wasteful number, since it uses less digits than its factorization.

47965557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36632.

The product of its digits is 1323000, while the sum is 48.

The square root of 47965557 is about 6925.7170747873. The cubic root of 47965557 is about 363.3371712600.

The spelling of 47965557 in words is "forty-seven million, nine hundred sixty-five thousand, five hundred fifty-seven".