53603543436 has 48 divisors (see below), whose sum is σ = 127464019200. Its totient is φ = 17526704832.

The previous prime is 53603543359. The next prime is 53603543437. The reversal of 53603543436 is 63434530635.

It is a happy number.

It is a super-3 number, since 3×53603543436³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (53603543437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4241535 + ... + 4254153.

It is an arithmetic number, because the mean of its divisors is an integer number (2655500400).

Almost surely, 2^53603543436 is an apocalyptic number.

It is an amenable number.

53603543436 is an abundant number, since it is smaller than the sum of its proper divisors (73860475764).

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

53603543436 is a wasteful number, since it uses less digits than its factorization.

53603543436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19358 (or 19356 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 42.

The spelling of 53603543436 in words is "fifty-three billion, six hundred three million, five hundred forty-three thousand, four hundred thirty-six".