53595561 has 32 divisors (see below), whose sum is σ = 77811840. Its totient is φ = 32707584.

The previous prime is 53595473. The next prime is 53595571. The reversal of 53595561 is 16559535.

It is not a de Polignac number, because 53595561 - 2¹⁴ = 53579177 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (53595571) 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, 341295 + ... + 341451.

It is an arithmetic number, because the mean of its divisors is an integer number (2431620).

Almost surely, 2^53595561 is an apocalyptic number.

It is an amenable number.

53595561 is a deficient number, since it is larger than the sum of its proper divisors (24216279).

53595561 is a wasteful number, since it uses less digits than its factorization.

53595561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345.

The product of its digits is 101250, while the sum is 39.

The square root of 53595561 is about 7320.8989202146. The cubic root of 53595561 is about 377.0303174356.

The spelling of 53595561 in words is "fifty-three million, five hundred ninety-five thousand, five hundred sixty-one".