53660260 has 12 divisors (see below), whose sum is σ = 112686588. Its totient is φ = 21464096.

The previous prime is 53660227. The next prime is 53660261. The reversal of 53660260 is 6206635.

It can be written as a sum of positive squares in 2 ways, for example, as 15319396 + 38340864 = 3914^2 + 6192^2 .

It is not an unprimeable number, because it can be changed into a prime (53660261) 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, 1341487 + ... + 1341526.

It is an arithmetic number, because the mean of its divisors is an integer number (9390549).

Almost surely, 2^53660260 is an apocalyptic number.

It is an amenable number.

53660260 is an abundant number, since it is smaller than the sum of its proper divisors (59026328).

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

53660260 is a wasteful number, since it uses less digits than its factorization.

53660260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683022 (or 2683020 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 53660260 is about 7325.3163754202. The cubic root of 53660260 is about 377.1819697673.

Adding to 53660260 its reverse (6206635), we get a palindrome (59866895).

The spelling of 53660260 in words is "fifty-three million, six hundred sixty thousand, two hundred sixty".