53004436 has 12 divisors (see below), whose sum is σ = 98214228. Its totient is φ = 24943232.

The previous prime is 53004409. The next prime is 53004449. The reversal of 53004436 is 63440035.

It can be written as a sum of positive squares in 2 ways, for example, as 27562500 + 25441936 = 5250^2 + 5044^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53004436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389671 + ... + 389806.

It is an arithmetic number, because the mean of its divisors is an integer number (8184519).

Almost surely, 2^53004436 is an apocalyptic number.

It is an amenable number.

53004436 is a deficient number, since it is larger than the sum of its proper divisors (45209792).

53004436 is a wasteful number, since it uses less digits than its factorization.

53004436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779498 (or 779496 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 53004436 is about 7280.4145486366. The cubic root of 53004436 is about 375.6390549308.

The spelling of 53004436 in words is "fifty-three million, four thousand, four hundred thirty-six".