53056560 has 40 divisors (see below), whose sum is σ = 164476080. Its totient is φ = 14148352.

The previous prime is 53056547. The next prime is 53056567. The reversal of 53056560 is 6565035.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (53056567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110295 + ... + 110774.

It is an arithmetic number, because the mean of its divisors is an integer number (4111902).

Almost surely, 2^53056560 is an apocalyptic number.

It is an amenable number.

53056560 is an abundant number, since it is smaller than the sum of its proper divisors (111419520).

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

53056560 is a wasteful number, since it uses less digits than its factorization.

53056560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221085 (or 221079 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 53056560 is about 7283.9934102112. The cubic root of 53056560 is about 375.7621477439.

The spelling of 53056560 in words is "fifty-three million, fifty-six thousand, five hundred sixty".