53219812 has 12 divisors (see below), whose sum is σ = 93237760. Its totient is φ = 26580456.

The previous prime is 53219807. The next prime is 53219813. The reversal of 53219812 is 21891235.

It is not an unprimeable number, because it can be changed into a prime (53219813) 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, 3012 + ... + 10747.

Almost surely, 2^53219812 is an apocalyptic number.

It is an amenable number.

53219812 is a deficient number, since it is larger than the sum of its proper divisors (40017948).

53219812 is a wasteful number, since it uses less digits than its factorization.

53219812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14730 (or 14728 counting only the distinct ones).

The product of its digits is 4320, while the sum is 31.

The square root of 53219812 is about 7295.1910187465. The cubic root of 53219812 is about 376.1471526784.

The spelling of 53219812 in words is "fifty-three million, two hundred nineteen thousand, eight hundred twelve".