53945573 has 16 divisors (see below), whose sum is σ = 63498816. Its totient is φ = 45277440.

The previous prime is 53945569. The next prime is 53945609. The reversal of 53945573 is 37554935.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 53945573 - 2² = 53945569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53945573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53945513) 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, 7190 + ... + 12632.

It is an arithmetic number, because the mean of its divisors is an integer number (3968676).

Almost surely, 2^53945573 is an apocalyptic number.

53945573 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

53945573 is a deficient number, since it is larger than the sum of its proper divisors (9553243).

53945573 is a wasteful number, since it uses less digits than its factorization.

53945573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5524.

The product of its digits is 283500, while the sum is 41.

The square root of 53945573 is about 7344.7650064519. The cubic root of 53945573 is about 377.8492839045.

The spelling of 53945573 in words is "fifty-three million, nine hundred forty-five thousand, five hundred seventy-three".