47825057 has 4 divisors (see below), whose sum is σ = 54657216. Its totient is φ = 40992900.

The previous prime is 47825051. The next prime is 47825059. The reversal of 47825057 is 75052874.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47825057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47825057.

It is not an unprimeable number, because it can be changed into a prime (47825051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3416069 + ... + 3416082.

It is an arithmetic number, because the mean of its divisors is an integer number (13664304).

Almost surely, 2^47825057 is an apocalyptic number.

It is an amenable number.

47825057 is a deficient number, since it is larger than the sum of its proper divisors (6832159).

47825057 is an equidigital number, since it uses as much as digits as its factorization.

47825057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6832158.

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 47825057 is about 6915.5662819468. The cubic root of 47825057 is about 362.9820636864.

The spelling of 47825057 in words is "forty-seven million, eight hundred twenty-five thousand, fifty-seven".