53568545 has 4 divisors (see below), whose sum is σ = 64282260. Its totient is φ = 42854832.

The previous prime is 53568533. The next prime is 53568569. The reversal of 53568545 is 54586535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54586535 = 5 ⋅10917307.

It can be written as a sum of positive squares in 2 ways, for example, as 19088161 + 34480384 = 4369^2 + 5872^2 .

It is a cyclic number.

It is not a de Polignac number, because 53568545 - 2⁸ = 53568289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5356850 + ... + 5356859.

It is an arithmetic number, because the mean of its divisors is an integer number (16070565).

Almost surely, 2^53568545 is an apocalyptic number.

It is an amenable number.

53568545 is a deficient number, since it is larger than the sum of its proper divisors (10713715).

53568545 is a wasteful number, since it uses less digits than its factorization.

53568545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10713714.

The product of its digits is 360000, while the sum is 41.

The square root of 53568545 is about 7319.0535590334. The cubic root of 53568545 is about 376.9669566970.

The spelling of 53568545 in words is "fifty-three million, five hundred sixty-eight thousand, five hundred forty-five".