53275997 has 16 divisors (see below), whose sum is σ = 55978560. Its totient is φ = 50668800.

The previous prime is 53275991. The next prime is 53276009. The reversal of 53275997 is 79957235.

It is a cyclic number.

It is not a de Polignac number, because 53275997 - 2⁸ = 53275741 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 (53275991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406622 + ... + 406752.

It is an arithmetic number, because the mean of its divisors is an integer number (3498660).

Almost surely, 2^53275997 is an apocalyptic number.

It is an amenable number.

53275997 is a deficient number, since it is larger than the sum of its proper divisors (2702563).

53275997 is a wasteful number, since it uses less digits than its factorization.

53275997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364.

The product of its digits is 595350, while the sum is 47.

The square root of 53275997 is about 7299.0408273964. The cubic root of 53275997 is about 376.2794742972.

The spelling of 53275997 in words is "fifty-three million, two hundred seventy-five thousand, nine hundred ninety-seven".