47957845 has 16 divisors (see below), whose sum is σ = 63150192. Its totient is φ = 34744320.

The previous prime is 47957839. The next prime is 47957869. The reversal of 47957845 is 54875974.

It can be written as a sum of positive squares in 8 ways, for example, as 527076 + 47430769 = 726^2 + 6887^2 .

It is not a de Polignac number, because 47957845 - 2⁹ = 47957333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3516 + ... + 10405.

It is an arithmetic number, because the mean of its divisors is an integer number (3946887).

Almost surely, 2^47957845 is an apocalyptic number.

It is an amenable number.

47957845 is a deficient number, since it is larger than the sum of its proper divisors (15192347).

47957845 is a wasteful number, since it uses less digits than its factorization.

47957845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13992.

The product of its digits is 1411200, while the sum is 49.

The square root of 47957845 is about 6925.1602869537. The cubic root of 47957845 is about 363.3176975194.

The spelling of 47957845 in words is "forty-seven million, nine hundred fifty-seven thousand, eight hundred forty-five".