53210517 has 4 divisors (see below), whose sum is σ = 70947360. Its totient is φ = 35473676.

The previous prime is 53210501. The next prime is 53210557. The reversal of 53210517 is 71501235.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53210517 - 2⁴ = 53210501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53210557) 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, 8868417 + ... + 8868422.

It is an arithmetic number, because the mean of its divisors is an integer number (17736840).

Almost surely, 2^53210517 is an apocalyptic number.

It is an amenable number.

53210517 is a deficient number, since it is larger than the sum of its proper divisors (17736843).

53210517 is a wasteful number, since it uses less digits than its factorization.

53210517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17736842.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 53210517 is about 7294.5539274174. The cubic root of 53210517 is about 376.1252529935.

The spelling of 53210517 in words is "fifty-three million, two hundred ten thousand, five hundred seventeen".