47540565 has 24 divisors (see below), whose sum is σ = 86742240. Its totient is φ = 24020064.

The previous prime is 47540557. The next prime is 47540611. The reversal of 47540565 is 56504574.

It is a happy number.

47540565 is a `hidden beast` number, since 47 + 54 + 0 + 565 = 666.

It is not a de Polignac number, because 47540565 - 2³ = 47540557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26947 + ... + 28656.

It is an arithmetic number, because the mean of its divisors is an integer number (3614260).

Almost surely, 2^47540565 is an apocalyptic number.

47540565 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47540565 is a deficient number, since it is larger than the sum of its proper divisors (39201675).

47540565 is a wasteful number, since it uses less digits than its factorization.

47540565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55633 (or 55630 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 47540565 is about 6894.9666424139. The cubic root of 47540565 is about 362.2608870985.

The spelling of 47540565 in words is "forty-seven million, five hundred forty thousand, five hundred sixty-five".