52812812 has 24 divisors (see below), whose sum is σ = 105388416. Its totient is φ = 22940928.

The previous prime is 52812791. The next prime is 52812821. The reversal of 52812812 is 21821825.

It is a happy number.

It is a super-2 number, since 2×52812812² = 5578386222694688, which contains 22 as substring.

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, 28988 + ... + 30755.

It is an arithmetic number, because the mean of its divisors is an integer number (4391184).

Almost surely, 2^52812812 is an apocalyptic number.

52812812 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

52812812 is a deficient number, since it is larger than the sum of its proper divisors (52575604).

52812812 is a wasteful number, since it uses less digits than its factorization.

52812812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59777 (or 59775 counting only the distinct ones).

The product of its digits is 2560, while the sum is 29.

The square root of 52812812 is about 7267.2423930952. The cubic root of 52812812 is about 375.1858326355.

It can be divided in two parts, 52 and 812812, that multiplied together give a palindrome (42266224).

The spelling of 52812812 in words is "fifty-two million, eight hundred twelve thousand, eight hundred twelve".