53337773 has 4 divisors (see below), whose sum is σ = 53407548. Its totient is φ = 53268000.

The previous prime is 53337749. The next prime is 53337787. The reversal of 53337773 is 37773335.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1684804 + 51652969 = 1298^2 + 7187^2 .

It is a cyclic number.

It is not a de Polignac number, because 53337773 - 2¹² = 53333677 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 (53337703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33728 + ... + 35273.

It is an arithmetic number, because the mean of its divisors is an integer number (13351887).

Almost surely, 2^53337773 is an apocalyptic number.

It is an amenable number.

53337773 is a deficient number, since it is larger than the sum of its proper divisors (69775).

53337773 is an equidigital number, since it uses as much as digits as its factorization.

53337773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69774.

The product of its digits is 138915, while the sum is 38.

The square root of 53337773 is about 7303.2713902744. The cubic root of 53337773 is about 376.4248559783.

The spelling of 53337773 in words is "fifty-three million, three hundred thirty-seven thousand, seven hundred seventy-three".