53560389 has 4 divisors (see below), whose sum is σ = 71413856. Its totient is φ = 35706924.

The previous prime is 53560357. The next prime is 53560433. The reversal of 53560389 is 98306535.

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 not a de Polignac number, because 53560389 - 2⁵ = 53560357 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 (53560789) 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, 8926729 + ... + 8926734.

It is an arithmetic number, because the mean of its divisors is an integer number (17853464).

Almost surely, 2^53560389 is an apocalyptic number.

It is an amenable number.

53560389 is a deficient number, since it is larger than the sum of its proper divisors (17853467).

53560389 is a wasteful number, since it uses less digits than its factorization.

53560389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17853466.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 53560389 is about 7318.4963619585. The cubic root of 53560389 is about 376.9478242095.

The spelling of 53560389 in words is "fifty-three million, five hundred sixty thousand, three hundred eighty-nine".