53325545 has 32 divisors (see below), whose sum is σ = 79252992. Its totient is φ = 33541632.

The previous prime is 53325541. The next prime is 53325581. The reversal of 53325545 is 54552335.

It is a cyclic number.

It is not a de Polignac number, because 53325545 - 2² = 53325541 is a prime.

It is a super-2 number, since 2×53325545² = 5687227499094050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53325541) 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, 105764 + ... + 106266.

It is an arithmetic number, because the mean of its divisors is an integer number (2476656).

Almost surely, 2^53325545 is an apocalyptic number.

It is an amenable number.

53325545 is a deficient number, since it is larger than the sum of its proper divisors (25927447).

53325545 is a wasteful number, since it uses less digits than its factorization.

53325545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761.

The product of its digits is 45000, while the sum is 32.

The square root of 53325545 is about 7302.4341832022. The cubic root of 53325545 is about 376.3960879048.

The spelling of 53325545 in words is "fifty-three million, three hundred twenty-five thousand, five hundred forty-five".