53163577 has 4 divisors (see below), whose sum is σ = 55961680. Its totient is φ = 50365476.

The previous prime is 53163559. The next prime is 53163581. The reversal of 53163577 is 77536135.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53163577 - 2¹⁵ = 53130809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53163547) 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, 1399023 + ... + 1399060.

It is an arithmetic number, because the mean of its divisors is an integer number (13990420).

Almost surely, 2^53163577 is an apocalyptic number.

It is an amenable number.

53163577 is a deficient number, since it is larger than the sum of its proper divisors (2798103).

53163577 is a wasteful number, since it uses less digits than its factorization.

53163577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798102.

The product of its digits is 66150, while the sum is 37.

The square root of 53163577 is about 7291.3357486814. The cubic root of 53163577 is about 376.0146200178.

The spelling of 53163577 in words is "fifty-three million, one hundred sixty-three thousand, five hundred seventy-seven".