53533560 has 64 divisors (see below), whose sum is σ = 162662400. Its totient is φ = 14092416.

The previous prime is 53533553. The next prime is 53533567. The reversal of 53533560 is 6533535.

It is an interprime number because it is at equal distance from previous prime (53533553) and next prime (53533567).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53533567) 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, 6657 + ... + 12303.

It is an arithmetic number, because the mean of its divisors is an integer number (2541600).

Almost surely, 2^53533560 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 53533560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81331200).

53533560 is an abundant number, since it is smaller than the sum of its proper divisors (109128840).

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

53533560 is a wasteful number, since it uses less digits than its factorization.

53533560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5740 (or 5736 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 30.

The square root of 53533560 is about 7316.6631738792. The cubic root of 53533560 is about 376.8848745656.

The spelling of 53533560 in words is "fifty-three million, five hundred thirty-three thousand, five hundred sixty".