53040436 has 12 divisors (see below), whose sum is σ = 93153060. Its totient is φ = 26425280.

The previous prime is 53040397. The next prime is 53040443. The reversal of 53040436 is 63404035.

It can be written as a sum of positive squares in 2 ways, for example, as 46840336 + 6200100 = 6844^2 + 2490^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53040436.

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, 22471 + ... + 24718.

It is an arithmetic number, because the mean of its divisors is an integer number (7762755).

Almost surely, 2^53040436 is an apocalyptic number.

It is an amenable number.

53040436 is a deficient number, since it is larger than the sum of its proper divisors (40112624).

53040436 is a wasteful number, since it uses less digits than its factorization.

53040436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47474 (or 47472 counting only the distinct ones).

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

The square root of 53040436 is about 7282.8865156612. The cubic root of 53040436 is about 375.7240789187.

The spelling of 53040436 in words is "fifty-three million, forty thousand, four hundred thirty-six".