47242855 has 8 divisors (see below), whose sum is σ = 61845264. Its totient is φ = 34358400.

The previous prime is 47242843. The next prime is 47242859. The reversal of 47242855 is 55824274.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-47242855 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47242859) 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, 429426 + ... + 429535.

It is an arithmetic number, because the mean of its divisors is an integer number (7730658).

Almost surely, 2^47242855 is an apocalyptic number.

47242855 is a deficient number, since it is larger than the sum of its proper divisors (14602409).

47242855 is a wasteful number, since it uses less digits than its factorization.

47242855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858977.

The product of its digits is 89600, while the sum is 37.

The square root of 47242855 is about 6873.3438005093. The cubic root of 47242855 is about 361.5031159918.

The spelling of 47242855 in words is "forty-seven million, two hundred forty-two thousand, eight hundred fifty-five".