53503436 has 12 divisors (see below), whose sum is σ = 107006928. Its totient is φ = 22930032.

The previous prime is 53503433. The next prime is 53503441. The reversal of 53503436 is 63430535.

It is a happy number.

53503436 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 53503399 and 53503408.

It is not an unprimeable number, because it can be changed into a prime (53503433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 955391 + ... + 955446.

It is an arithmetic number, because the mean of its divisors is an integer number (8917244).

Almost surely, 2^53503436 is an apocalyptic number.

It is an amenable number.

53503436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53503436 is a wasteful number, since it uses less digits than its factorization.

53503436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910848 (or 1910846 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 29.

The square root of 53503436 is about 7314.6042955173. The cubic root of 53503436 is about 376.8141686995.

The spelling of 53503436 in words is "fifty-three million, five hundred three thousand, four hundred thirty-six".