53569536 has 48 divisors (see below), whose sum is σ = 142833600. Its totient is φ = 17854464.

The previous prime is 53569501. The next prime is 53569541. The reversal of 53569536 is 63596535.

It is a tau number, because it is divible by the number of its divisors (48).

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, 1785 + ... + 10503.

It is an arithmetic number, because the mean of its divisors is an integer number (2975700).

Almost surely, 2^53569536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53569536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71416800).

53569536 is an abundant number, since it is smaller than the sum of its proper divisors (89264064).

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

53569536 is an equidigital number, since it uses as much as digits as its factorization.

53569536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8744 (or 8724 counting only the distinct ones).

The product of its digits is 364500, while the sum is 42.

The square root of 53569536 is about 7319.1212587304. The cubic root of 53569536 is about 376.9692812698.

The spelling of 53569536 in words is "fifty-three million, five hundred sixty-nine thousand, five hundred thirty-six".