53258507 has 4 divisors (see below), whose sum is σ = 53273760. Its totient is φ = 53243256.

The previous prime is 53258489. The next prime is 53258509. The reversal of 53258507 is 70585235.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53258507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53258509) 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, 494 + ... + 10332.

It is an arithmetic number, because the mean of its divisors is an integer number (13318440).

Almost surely, 2^53258507 is an apocalyptic number.

53258507 is a deficient number, since it is larger than the sum of its proper divisors (15253).

53258507 is an equidigital number, since it uses as much as digits as its factorization.

53258507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15252.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 53258507 is about 7297.8426264205. The cubic root of 53258507 is about 376.2382934736.

The spelling of 53258507 in words is "fifty-three million, two hundred fifty-eight thousand, five hundred seven".