53337819 has 4 divisors (see below), whose sum is σ = 71117096. Its totient is φ = 35558544.

The previous prime is 53337811. The next prime is 53337833. The reversal of 53337819 is 91873335.

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

It is not a de Polignac number, because 53337819 - 2³ = 53337811 is a prime.

It is a super-2 number, since 2×53337819² = 5689845871353522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53337811) 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, 8889634 + ... + 8889639.

It is an arithmetic number, because the mean of its divisors is an integer number (17779274).

Almost surely, 2^53337819 is an apocalyptic number.

53337819 is a deficient number, since it is larger than the sum of its proper divisors (17779277).

53337819 is a wasteful number, since it uses less digits than its factorization.

53337819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17779276.

The product of its digits is 68040, while the sum is 39.

The square root of 53337819 is about 7303.2745395473. The cubic root of 53337819 is about 376.4249641914.

The spelling of 53337819 in words is "fifty-three million, three hundred thirty-seven thousand, eight hundred nineteen".