53365667 has 4 divisors (see below), whose sum is σ = 54240576. Its totient is φ = 52490760.

The previous prime is 53365651. The next prime is 53365679. The reversal of 53365667 is 76656335.

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 53365667 - 2⁴ = 53365651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53365607) 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, 437363 + ... + 437484.

It is an arithmetic number, because the mean of its divisors is an integer number (13560144).

Almost surely, 2^53365667 is an apocalyptic number.

53365667 is a deficient number, since it is larger than the sum of its proper divisors (874909).

53365667 is an equidigital number, since it uses as much as digits as its factorization.

53365667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874908.

The product of its digits is 340200, while the sum is 41.

The square root of 53365667 is about 7305.1808328063. The cubic root of 53365667 is about 376.4904640486.

The spelling of 53365667 in words is "fifty-three million, three hundred sixty-five thousand, six hundred sixty-seven".