53113609 has 8 divisors (see below), whose sum is σ = 54516672. Its totient is φ = 51728880.

The previous prime is 53113597. The next prime is 53113637. The reversal of 53113609 is 90631135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53113609 - 2⁹ = 53113097 is a prime.

It is a super-2 number, since 2×53113609² = 5642110922009762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53113649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1387 + ... + 10399.

It is an arithmetic number, because the mean of its divisors is an integer number (6814584).

Almost surely, 2^53113609 is an apocalyptic number.

It is an amenable number.

53113609 is a deficient number, since it is larger than the sum of its proper divisors (1403063).

53113609 is an equidigital number, since it uses as much as digits as its factorization.

53113609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9167.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 53113609 is about 7287.9084105112. The cubic root of 53113609 is about 375.8967787618.

The spelling of 53113609 in words is "fifty-three million, one hundred thirteen thousand, six hundred nine".