53646020 has 12 divisors (see below), whose sum is σ = 112656684. Its totient is φ = 21458400.

The previous prime is 53646013. The next prime is 53646037. The reversal of 53646020 is 2064635.

It can be written as a sum of positive squares in 2 ways, for example, as 33269824 + 20376196 = 5768^2 + 4514^2 .

It is an unprimeable number.

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, 1341131 + ... + 1341170.

It is an arithmetic number, because the mean of its divisors is an integer number (9388057).

Almost surely, 2^53646020 is an apocalyptic number.

It is an amenable number.

53646020 is an abundant number, since it is smaller than the sum of its proper divisors (59010664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53646020 is a wasteful number, since it uses less digits than its factorization.

53646020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682310 (or 2682308 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 53646020 is about 7324.3443392566. The cubic root of 53646020 is about 377.1486021415.

The spelling of 53646020 in words is "fifty-three million, six hundred forty-six thousand, twenty".