53566427 has 4 divisors (see below), whose sum is σ = 53620320. Its totient is φ = 53512536.

The previous prime is 53566423. The next prime is 53566477. The reversal of 53566427 is 72466535.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53566427 - 2² = 53566423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53566423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25427 + ... + 27452.

It is an arithmetic number, because the mean of its divisors is an integer number (13405080).

Almost surely, 2^53566427 is an apocalyptic number.

53566427 is a deficient number, since it is larger than the sum of its proper divisors (53893).

53566427 is a wasteful number, since it uses less digits than its factorization.

53566427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53892.

The product of its digits is 151200, while the sum is 38.

The square root of 53566427 is about 7318.9088667642. The cubic root of 53566427 is about 376.9619884422.

The spelling of 53566427 in words is "fifty-three million, five hundred sixty-six thousand, four hundred twenty-seven".