47953609 has 8 divisors (see below), whose sum is σ = 52648128. Its totient is φ = 43314960.

The previous prime is 47953601. The next prime is 47953637. The reversal of 47953609 is 90635974.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47953609 - 2³ = 47953601 is a prime.

It is a super-2 number, since 2×47953609² = 4599097232249762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47953601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12157 + ... + 15610.

It is an arithmetic number, because the mean of its divisors is an integer number (6581016).

Almost surely, 2^47953609 is an apocalyptic number.

It is an amenable number.

47953609 is a deficient number, since it is larger than the sum of its proper divisors (4694519).

47953609 is a wasteful number, since it uses less digits than its factorization.

47953609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27935.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 47953609 is about 6924.8544389034. The cubic root of 47953609 is about 363.3070002144.

The spelling of 47953609 in words is "forty-seven million, nine hundred fifty-three thousand, six hundred nine".