47513966 has 4 divisors (see below), whose sum is σ = 71270952. Its totient is φ = 23756982.

The previous prime is 47513959. The next prime is 47513969. The reversal of 47513966 is 66931574.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66931574 = 2 ⋅33465787.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47513969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11878490 + ... + 11878493.

It is an arithmetic number, because the mean of its divisors is an integer number (17817738).

Almost surely, 2^47513966 is an apocalyptic number.

47513966 is a deficient number, since it is larger than the sum of its proper divisors (23756986).

47513966 is a wasteful number, since it uses less digits than its factorization.

47513966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23756985.

The product of its digits is 136080, while the sum is 41.

The square root of 47513966 is about 6893.0375017114. The cubic root of 47513966 is about 362.1933127020.

It can be divided in two parts, 475 and 13966, that added together give a palindrome (14441).

The spelling of 47513966 in words is "forty-seven million, five hundred thirteen thousand, nine hundred sixty-six".