47139652 has 24 divisors (see below), whose sum is σ = 94500224. Its totient is φ = 20155392.

The previous prime is 47139647. The next prime is 47139661. The reversal of 47139652 is 25693174.

47139652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×47139652² = 4444293581362208, which contains 22 as substring.

It is a plaindrome in base 11.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11908 + ... + 15364.

Almost surely, 2^47139652 is an apocalyptic number.

It is an amenable number.

47139652 is an abundant number, since it is smaller than the sum of its proper divisors (47360572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47139652 is a wasteful number, since it uses less digits than its factorization.

47139652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3955 (or 3953 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 47139652 is about 6865.8322146700. The cubic root of 47139652 is about 361.2396870497.

It can be divided in two parts, 4713 and 9652, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 47139652 in words is "forty-seven million, one hundred thirty-nine thousand, six hundred fifty-two".