53248207 has 4 divisors (see below), whose sum is σ = 53270776. Its totient is φ = 53225640.

The previous prime is 53248193. The next prime is 53248211. The reversal of 53248207 is 70284235.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53248207 - 2⁷ = 53248079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53248807) 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, 7269 + ... + 12622.

It is an arithmetic number, because the mean of its divisors is an integer number (13317694).

Almost surely, 2^53248207 is an apocalyptic number.

53248207 is a deficient number, since it is larger than the sum of its proper divisors (22569).

53248207 is a wasteful number, since it uses less digits than its factorization.

53248207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22568.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 53248207 is about 7297.1369042934. The cubic root of 53248207 is about 376.2140375410.

It can be divided in two parts, 5324 and 8207, that added together give a palindrome (13531).

The spelling of 53248207 in words is "fifty-three million, two hundred forty-eight thousand, two hundred seven".