47153916 has 18 divisors (see below), whose sum is σ = 119194712. Its totient is φ = 15717960.

The previous prime is 47153867. The next prime is 47153917. The reversal of 47153916 is 61935174.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1309831 = 47153916 / (4 + 7 + 1 + 5 + 3 + 9 + 1 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47153917) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 654880 + ... + 654951.

Almost surely, 2^47153916 is an apocalyptic number.

It is an amenable number.

47153916 is an abundant number, since it is smaller than the sum of its proper divisors (72040796).

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

47153916 is a wasteful number, since it uses less digits than its factorization.

47153916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309841 (or 1309836 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 47153916 is about 6866.8709031115. The cubic root of 47153916 is about 361.2761192467.

The spelling of 47153916 in words is "forty-seven million, one hundred fifty-three thousand, nine hundred sixteen".