53355560 has 16 divisors (see below), whose sum is σ = 120050100. Its totient is φ = 21342208.

The previous prime is 53355551. The next prime is 53355569. The reversal of 53355560 is 6555335.

It is an interprime number because it is at equal distance from previous prime (53355551) and next prime (53355569).

It can be written as a sum of positive squares in 2 ways, for example, as 43533604 + 9821956 = 6598^2 + 3134^2 .

It is not an unprimeable number, because it can be changed into a prime (53355569) 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, 666905 + ... + 666984.

Almost surely, 2^53355560 is an apocalyptic number.

It is an amenable number.

53355560 is an abundant number, since it is smaller than the sum of its proper divisors (66694540).

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

53355560 is a wasteful number, since it uses less digits than its factorization.

53355560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333900 (or 1333896 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 32.

The square root of 53355560 is about 7304.4890307262. The cubic root of 53355560 is about 376.4666945254.

The spelling of 53355560 in words is "fifty-three million, three hundred fifty-five thousand, five hundred sixty".