53130505 has 8 divisors (see below), whose sum is σ = 63849600. Its totient is φ = 42442416.

The previous prime is 53130481. The next prime is 53130509. The reversal of 53130505 is 50503135.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53130505 - 2⁷ = 53130377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53130509) 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, 3795 + ... + 10984.

It is an arithmetic number, because the mean of its divisors is an integer number (7981200).

Almost surely, 2^53130505 is an apocalyptic number.

It is an amenable number.

53130505 is a deficient number, since it is larger than the sum of its proper divisors (10719095).

53130505 is a wasteful number, since it uses less digits than its factorization.

53130505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15503.

The product of its (nonzero) digits is 1125, while the sum is 22.

The square root of 53130505 is about 7289.0674986585. The cubic root of 53130505 is about 375.9366334479.

It can be divided in two parts, 53130 and 505, that added together give a palindrome (53635).

The spelling of 53130505 in words is "fifty-three million, one hundred thirty thousand, five hundred five".