52578585 has 32 divisors (see below), whose sum is σ = 94884480. Its totient is φ = 27618624.

The previous prime is 52578583. The next prime is 52578587. The reversal of 52578585 is 58587525.

52578585 is a `hidden beast` number, since 525 + 78 + 58 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (52578583) and next prime (52578587).

It is not a de Polignac number, because 52578585 - 2¹ = 52578583 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 52578585.

It is not an unprimeable number, because it can be changed into a prime (52578583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6139 + ... + 11951.

It is an arithmetic number, because the mean of its divisors is an integer number (2965140).

Almost surely, 2^52578585 is an apocalyptic number.

It is an amenable number.

52578585 is a deficient number, since it is larger than the sum of its proper divisors (42305895).

52578585 is a wasteful number, since it uses less digits than its factorization.

52578585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5894 (or 5888 counting only the distinct ones).

The product of its digits is 560000, while the sum is 45.

The square root of 52578585 is about 7251.1092254910. The cubic root of 52578585 is about 374.6303557547.

The spelling of 52578585 in words is "fifty-two million, five hundred seventy-eight thousand, five hundred eighty-five".