53051812 has 24 divisors (see below), whose sum is σ = 101721312. Its totient is φ = 24009600.

The previous prime is 53051807. The next prime is 53051813. The reversal of 53051812 is 21815035.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (53051813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8103 + ... + 13105.

It is an arithmetic number, because the mean of its divisors is an integer number (4238388).

Almost surely, 2^53051812 is an apocalyptic number.

It is an amenable number.

53051812 is a deficient number, since it is larger than the sum of its proper divisors (48669500).

53051812 is a wasteful number, since it uses less digits than its factorization.

53051812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5259 (or 5257 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 53051812 is about 7283.6674828001. The cubic root of 53051812 is about 375.7509384992.

Adding to 53051812 its reverse (21815035), we get a palindrome (74866847).

It can be divided in two parts, 5305 and 1812, that added together give a palindrome (7117).

The spelling of 53051812 in words is "fifty-three million, fifty-one thousand, eight hundred twelve".