47199957 has 16 divisors (see below), whose sum is σ = 72253440. Its totient is φ = 26847792.

The previous prime is 47199953. The next prime is 47199961. The reversal of 47199957 is 75999174.

It is a happy number.

47199957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47199953) and next prime (47199961).

It is not a de Polignac number, because 47199957 - 2² = 47199953 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47199953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357 + ... + 9722.

It is an arithmetic number, because the mean of its divisors is an integer number (4515840).

Almost surely, 2^47199957 is an apocalyptic number.

It is an amenable number.

47199957 is a deficient number, since it is larger than the sum of its proper divisors (25053483).

47199957 is a wasteful number, since it uses less digits than its factorization.

47199957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10312.

The product of its digits is 714420, while the sum is 51.

The square root of 47199957 is about 6870.2224854804. Note that the first 3 decimals coincide. The cubic root of 47199957 is about 361.3936641189.

The spelling of 47199957 in words is "forty-seven million, one hundred ninety-nine thousand, nine hundred fifty-seven".