47580545 has 8 divisors (see below), whose sum is σ = 57156840. Its totient is φ = 38024320.

The previous prime is 47580539. The next prime is 47580581. The reversal of 47580545 is 54508574.

It can be written as a sum of positive squares in 4 ways, for example, as 7789681 + 39790864 = 2791^2 + 6308^2 .

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

It is not a de Polignac number, because 47580545 - 2²⁴ = 30803329 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47580499 and 47580508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821 + ... + 9789.

It is an arithmetic number, because the mean of its divisors is an integer number (7144605).

Almost surely, 2^47580545 is an apocalyptic number.

It is an amenable number.

47580545 is a deficient number, since it is larger than the sum of its proper divisors (9576295).

47580545 is a wasteful number, since it uses less digits than its factorization.

47580545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10035.

The product of its (nonzero) digits is 112000, while the sum is 38.

The square root of 47580545 is about 6897.8652494812. The cubic root of 47580545 is about 362.3624083447.

The spelling of 47580545 in words is "forty-seven million, five hundred eighty thousand, five hundred forty-five".