52117612 has 12 divisors (see below), whose sum is σ = 91419496. Its totient is φ = 25997760.

The previous prime is 52117577. The next prime is 52117619. The reversal of 52117612 is 21671125.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (52117619) 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 3 ways as a sum of consecutive naturals, for example, 13314 + ... + 16777.

Almost surely, 2^52117612 is an apocalyptic number.

It is an amenable number.

52117612 is a deficient number, since it is larger than the sum of its proper divisors (39301884).

52117612 is a wasteful number, since it uses less digits than its factorization.

52117612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30528 (or 30526 counting only the distinct ones).

The product of its digits is 840, while the sum is 25.

The square root of 52117612 is about 7219.2528699305. The cubic root of 52117612 is about 373.5323064216.

Adding to 52117612 its reverse (21671125), we get a palindrome (73788737).

The spelling of 52117612 in words is "fifty-two million, one hundred seventeen thousand, six hundred twelve".