53205580 has 24 divisors (see below), whose sum is σ = 118304928. Its totient is φ = 20030208.

The previous prime is 53205557. The next prime is 53205589. The reversal of 53205580 is 8550235.

It is a super-3 number, since 3×53205580³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (53205589) 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, 77904 + ... + 78583.

It is an arithmetic number, because the mean of its divisors is an integer number (4929372).

Almost surely, 2^53205580 is an apocalyptic number.

It is an amenable number.

53205580 is an abundant number, since it is smaller than the sum of its proper divisors (65099348).

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

53205580 is a wasteful number, since it uses less digits than its factorization.

53205580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156513 (or 156511 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 53205580 is about 7294.2155164212. The cubic root of 53205580 is about 376.1136200312.

The spelling of 53205580 in words is "fifty-three million, two hundred five thousand, five hundred eighty".