53207207 has 4 divisors (see below), whose sum is σ = 53237016. Its totient is φ = 53177400.

The previous prime is 53207197. The next prime is 53207251. The reversal of 53207207 is 70270235.

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 53207207 - 2¹⁰ = 53206183 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 (53200207) 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, 12044 + ... + 15857.

It is an arithmetic number, because the mean of its divisors is an integer number (13309254).

Almost surely, 2^53207207 is an apocalyptic number.

53207207 is a deficient number, since it is larger than the sum of its proper divisors (29809).

53207207 is a wasteful number, since it uses less digits than its factorization.

53207207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29808.

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 53207207 is about 7294.3270422980. The cubic root of 53207207 is about 376.1174537809.

The spelling of 53207207 in words is "fifty-three million, two hundred seven thousand, two hundred seven".