47945567 has 4 divisors (see below), whose sum is σ = 48052800. Its totient is φ = 47838336.

The previous prime is 47945543. The next prime is 47945603. The reversal of 47945567 is 76554974.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47945567 - 2¹² = 47941471 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 (47945507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52943 + ... + 53840.

It is an arithmetic number, because the mean of its divisors is an integer number (12013200).

Almost surely, 2^47945567 is an apocalyptic number.

47945567 is a deficient number, since it is larger than the sum of its proper divisors (107233).

47945567 is a wasteful number, since it uses less digits than its factorization.

47945567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107232.

The product of its digits is 1058400, while the sum is 47.

The square root of 47945567 is about 6924.2737525317. The cubic root of 47945567 is about 363.2866897637.

The spelling of 47945567 in words is "forty-seven million, nine hundred forty-five thousand, five hundred sixty-seven".