53337809 has 16 divisors (see below), whose sum is σ = 62619648. Its totient is φ = 44483472.

The previous prime is 53337793. The next prime is 53337811. The reversal of 53337809 is 90873335.

It is a cyclic number.

It is not a de Polignac number, because 53337809 - 2⁴ = 53337793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53337209) 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, 73004 + ... + 73730.

It is an arithmetic number, because the mean of its divisors is an integer number (3913728).

Almost surely, 2^53337809 is an apocalyptic number.

It is an amenable number.

53337809 is a deficient number, since it is larger than the sum of its proper divisors (9281839).

53337809 is a wasteful number, since it uses less digits than its factorization.

53337809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 53337809 is about 7303.2738549229. The cubic root of 53337809 is about 376.4249406669.

The spelling of 53337809 in words is "fifty-three million, three hundred thirty-seven thousand, eight hundred nine".