47917156 has 12 divisors (see below), whose sum is σ = 95834368. Its totient is φ = 20535912.

The previous prime is 47917153. The next prime is 47917157. The reversal of 47917156 is 65171974.

47917156 is an admirable number.

It is a pancake number, because a pancake can be divided into 47917156 parts by 9789 straight cuts.

It is not an unprimeable number, because it can be changed into a prime (47917153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855636 + ... + 855691.

Almost surely, 2^47917156 is an apocalyptic number.

It is an amenable number.

47917156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

47917156 is a wasteful number, since it uses less digits than its factorization.

47917156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711338 (or 1711336 counting only the distinct ones).

The product of its digits is 52920, while the sum is 40.

The square root of 47917156 is about 6922.2218976280. The cubic root of 47917156 is about 363.2149182517.

It can be divided in two parts, 4791715 and 6, that added together give a square (4791721 = 2189²).

The spelling of 47917156 in words is "forty-seven million, nine hundred seventeen thousand, one hundred fifty-six".