53291207 has 4 divisors (see below), whose sum is σ = 55608240. Its totient is φ = 50974176.

The previous prime is 53291179. The next prime is 53291237. The reversal of 53291207 is 70219235.

53291207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53291207 - 2¹⁰ = 53290183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53291207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53291237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1158482 + ... + 1158527.

It is an arithmetic number, because the mean of its divisors is an integer number (13902060).

Almost surely, 2^53291207 is an apocalyptic number.

53291207 is a deficient number, since it is larger than the sum of its proper divisors (2317033).

53291207 is a wasteful number, since it uses less digits than its factorization.

53291207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317032.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 53291207 is about 7300.0826707648. The cubic root of 53291207 is about 376.3152794538.

The spelling of 53291207 in words is "fifty-three million, two hundred ninety-one thousand, two hundred seven".