53436644 has 24 divisors (see below), whose sum is σ = 99542520. Its totient is φ = 25012736.

The previous prime is 53436637. The next prime is 53436679. The reversal of 53436644 is 44663435.

53436644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 30030400 + 23406244 = 5480^2 + 4838^2 .

It is a super-3 number, since 3×53436644³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11402 + ... + 15390.

It is an arithmetic number, because the mean of its divisors is an integer number (4147605).

Almost surely, 2^53436644 is an apocalyptic number.

It is an amenable number.

53436644 is a deficient number, since it is larger than the sum of its proper divisors (46105876).

53436644 is a wasteful number, since it uses less digits than its factorization.

53436644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207 (or 4205 counting only the distinct ones).

The product of its digits is 103680, while the sum is 35.

The square root of 53436644 is about 7310.0372092076. The cubic root of 53436644 is about 376.6573024360.

The spelling of 53436644 in words is "fifty-three million, four hundred thirty-six thousand, six hundred forty-four".