53616436 has 18 divisors (see below), whose sum is σ = 99674918. Its totient is φ = 25230720.

The previous prime is 53616413. The next prime is 53616439. The reversal of 53616436 is 63461635.

53616436 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 3 ways, for example, as 25948836 + 27667600 = 5094^2 + 5260^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53616439) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 22035 + ... + 24346.

Almost surely, 2^53616436 is an apocalyptic number.

It is an amenable number.

53616436 is a deficient number, since it is larger than the sum of its proper divisors (46058482).

53616436 is a wasteful number, since it uses less digits than its factorization.

53616436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46419 (or 46400 counting only the distinct ones).

The product of its digits is 38880, while the sum is 34.

The square root of 53616436 is about 7322.3244943119. The cubic root of 53616436 is about 377.0792610802.

The spelling of 53616436 in words is "fifty-three million, six hundred sixteen thousand, four hundred thirty-six".