52978593 has 16 divisors (see below), whose sum is σ = 74594880. Its totient is φ = 33352704.

The previous prime is 52978577. The next prime is 52978609. The reversal of 52978593 is 39587925.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52978577) and next prime (52978609).

It is not a de Polignac number, because 52978593 - 2⁴ = 52978577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52978553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18805 + ... + 21437.

It is an arithmetic number, because the mean of its divisors is an integer number (4662180).

Almost surely, 2^52978593 is an apocalyptic number.

It is an amenable number.

52978593 is a deficient number, since it is larger than the sum of its proper divisors (21616287).

52978593 is a wasteful number, since it uses less digits than its factorization.

52978593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3008.

The product of its digits is 680400, while the sum is 48.

The square root of 52978593 is about 7278.6395019949. The cubic root of 52978593 is about 375.5779957758.

The spelling of 52978593 in words is "fifty-two million, nine hundred seventy-eight thousand, five hundred ninety-three".