53581436 has 12 divisors (see below), whose sum is σ = 94598112. Its totient is φ = 26553408.

The previous prime is 53581417. The next prime is 53581453. The reversal of 53581436 is 63418535.

It is a junction number, because it is equal to n+sod(n) for n = 53581396 and 53581405.

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, 58820 + ... + 59723.

It is an arithmetic number, because the mean of its divisors is an integer number (7883176).

Almost surely, 2^53581436 is an apocalyptic number.

It is an amenable number.

53581436 is a deficient number, since it is larger than the sum of its proper divisors (41016676).

53581436 is a wasteful number, since it uses less digits than its factorization.

53581436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118660 (or 118658 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 53581436 is about 7319.9341527093. The cubic root of 53581436 is about 376.9971926702.

The spelling of 53581436 in words is "fifty-three million, five hundred eighty-one thousand, four hundred thirty-six".