53307207 has 16 divisors (see below), whose sum is σ = 79284480. Its totient is φ = 35398296.

The previous prime is 53307167. The next prime is 53307209. The reversal of 53307207 is 70270335.

It is not a de Polignac number, because 53307207 - 2¹¹ = 53305159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53307209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3348 + ... + 10854.

It is an arithmetic number, because the mean of its divisors is an integer number (4955280).

Almost surely, 2^53307207 is an apocalyptic number.

53307207 is a deficient number, since it is larger than the sum of its proper divisors (25977273).

53307207 is a wasteful number, since it uses less digits than its factorization.

53307207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7779 (or 7773 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 27.

The square root of 53307207 is about 7301.1784665217. The cubic root of 53307207 is about 376.3529369607.

The spelling of 53307207 in words is "fifty-three million, three hundred seven thousand, two hundred seven".