53307903 has 32 divisors (see below), whose sum is σ = 82736640. Its totient is φ = 30172160.

The previous prime is 53307899. The next prime is 53307907. The reversal of 53307903 is 30970335.

It is an interprime number because it is at equal distance from previous prime (53307899) and next prime (53307907).

It is a cyclic number.

It is not a de Polignac number, because 53307903 - 2² = 53307899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53307907) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93403 + ... + 93971.

It is an arithmetic number, because the mean of its divisors is an integer number (2585520).

Almost surely, 2^53307903 is an apocalyptic number.

53307903 is a deficient number, since it is larger than the sum of its proper divisors (29428737).

53307903 is a wasteful number, since it uses less digits than its factorization.

53307903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767.

The product of its (nonzero) digits is 8505, while the sum is 30.

The square root of 53307903 is about 7301.2261299045. The cubic root of 53307903 is about 376.3545748913.

The spelling of 53307903 in words is "fifty-three million, three hundred seven thousand, nine hundred three".