53297567 has 4 divisors (see below), whose sum is σ = 56432736. Its totient is φ = 50162400.

The previous prime is 53297539. The next prime is 53297611. The reversal of 53297567 is 76579235.

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 53297567 - 2¹⁶ = 53232031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53297507) 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, 1567559 + ... + 1567592.

It is an arithmetic number, because the mean of its divisors is an integer number (14108184).

Almost surely, 2^53297567 is an apocalyptic number.

53297567 is a deficient number, since it is larger than the sum of its proper divisors (3135169).

53297567 is a wasteful number, since it uses less digits than its factorization.

53297567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3135168.

The product of its digits is 396900, while the sum is 44.

The square root of 53297567 is about 7300.5182692738. The cubic root of 53297567 is about 376.3302492153.

The spelling of 53297567 in words is "fifty-three million, two hundred ninety-seven thousand, five hundred sixty-seven".