47642955 has 8 divisors (see below), whose sum is σ = 76228752. Its totient is φ = 25409568.

The previous prime is 47642921. The next prime is 47642957. The reversal of 47642955 is 55924674.

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

It is not a de Polignac number, because 47642955 - 2⁷ = 47642827 is a prime.

It is a super-2 number, since 2×47642955² = 4539702322264050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (47642957) 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, 1588084 + ... + 1588113.

It is an arithmetic number, because the mean of its divisors is an integer number (9528594).

Almost surely, 2^47642955 is an apocalyptic number.

47642955 is a deficient number, since it is larger than the sum of its proper divisors (28585797).

47642955 is a wasteful number, since it uses less digits than its factorization.

47642955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176205.

The product of its digits is 302400, while the sum is 42.

The square root of 47642955 is about 6902.3876303783. The cubic root of 47642955 is about 362.5207724918.

The spelling of 47642955 in words is "forty-seven million, six hundred forty-two thousand, nine hundred fifty-five".