52978585 has 32 divisors (see below), whose sum is σ = 71539200. Its totient is φ = 37340160.

The previous prime is 52978577. The next prime is 52978609. The reversal of 52978585 is 58587925.

It is not a de Polignac number, because 52978585 - 2³ = 52978577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 386637 + ... + 386773.

It is an arithmetic number, because the mean of its divisors is an integer number (2235600).

Almost surely, 2^52978585 is an apocalyptic number.

52978585 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52978585 is a deficient number, since it is larger than the sum of its proper divisors (18560615).

52978585 is a wasteful number, since it uses less digits than its factorization.

52978585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321.

The product of its digits is 1008000, while the sum is 49.

The square root of 52978585 is about 7278.6389524416. The cubic root of 52978585 is about 375.5779768711.

The spelling of 52978585 in words is "fifty-two million, nine hundred seventy-eight thousand, five hundred eighty-five".