53405536 has 24 divisors (see below), whose sum is σ = 107382240. Its totient is φ = 26133888.

The previous prime is 53405533. The next prime is 53405537. The reversal of 53405536 is 63550435.

It is a junction number, because it is equal to n+sod(n) for n = 53405498 and 53405507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53405533) 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, 16251 + ... + 19258.

It is an arithmetic number, because the mean of its divisors is an integer number (4474260).

Almost surely, 2^53405536 is an apocalyptic number.

It is an amenable number.

53405536 is an abundant number, since it is smaller than the sum of its proper divisors (53976704).

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

53405536 is a wasteful number, since it uses less digits than its factorization.

53405536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35566 (or 35558 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 53405536 is about 7307.9091401029. The cubic root of 53405536 is about 376.5841982332.

The spelling of 53405536 in words is "fifty-three million, four hundred five thousand, five hundred thirty-six".