53145673 has 16 divisors (see below), whose sum is σ = 62982144. Its totient is φ = 43900560.

The previous prime is 53145667. The next prime is 53145683. The reversal of 53145673 is 37654135.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53145673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53145613) 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, 20838 + ... + 23248.

It is an arithmetic number, because the mean of its divisors is an integer number (3936384).

Almost surely, 2^53145673 is an apocalyptic number.

It is an amenable number.

53145673 is a deficient number, since it is larger than the sum of its proper divisors (9836471).

53145673 is a wasteful number, since it uses less digits than its factorization.

53145673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532.

The product of its digits is 37800, while the sum is 34.

The square root of 53145673 is about 7290.1078867188. The cubic root of 53145673 is about 375.9724048897.

The spelling of 53145673 in words is "fifty-three million, one hundred forty-five thousand, six hundred seventy-three".