53318307 has 16 divisors (see below), whose sum is σ = 86026752. Its totient is φ = 28675200.

The previous prime is 53318297. The next prime is 53318311. The reversal of 53318307 is 70381335.

53318307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53318307 - 2⁸ = 53318051 is a prime.

It is a super-2 number, since 2×53318307² = 5685683722692498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53318107) 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 15 ways as a sum of consecutive naturals, for example, 74319 + ... + 75032.

It is an arithmetic number, because the mean of its divisors is an integer number (5376672).

Almost surely, 2^53318307 is an apocalyptic number.

53318307 is a deficient number, since it is larger than the sum of its proper divisors (32708445).

53318307 is a wasteful number, since it uses less digits than its factorization.

53318307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149378.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 53318307 is about 7301.9385782133. The cubic root of 53318307 is about 376.3790574293.

The spelling of 53318307 in words is "fifty-three million, three hundred eighteen thousand, three hundred seven".