53520307 has 2 divisors, whose sum is σ = 53520308. Its totient is φ = 53520306.

The previous prime is 53520253. The next prime is 53520319. The reversal of 53520307 is 70302535.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53520307 - 2¹¹ = 53518259 is a prime.

It is a super-2 number, since 2×53520307² = 5728846522748498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53520377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26760153 + 26760154.

It is an arithmetic number, because the mean of its divisors is an integer number (26760154).

Almost surely, 2^53520307 is an apocalyptic number.

53520307 is a deficient number, since it is larger than the sum of its proper divisors (1).

53520307 is an equidigital number, since it uses as much as digits as its factorization.

53520307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 53520307 is about 7315.7574454051. The cubic root of 53520307 is about 376.8537709147.

The spelling of 53520307 in words is "fifty-three million, five hundred twenty thousand, three hundred seven".