53108819 has 4 divisors (see below), whose sum is σ = 55904040. Its totient is φ = 50313600.

The previous prime is 53108813. The next prime is 53108821. The reversal of 53108819 is 91880135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91880135 = 5 ⋅18376027.

It is a cyclic number.

It is not a de Polignac number, because 53108819 - 2⁸ = 53108563 is a prime.

It is a super-2 number, since 2×53108819² = 5641093311149522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53108813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1397582 + ... + 1397619.

It is an arithmetic number, because the mean of its divisors is an integer number (13976010).

Almost surely, 2^53108819 is an apocalyptic number.

53108819 is a deficient number, since it is larger than the sum of its proper divisors (2795221).

53108819 is a wasteful number, since it uses less digits than its factorization.

53108819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795220.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 53108819 is about 7287.5797765788. The cubic root of 53108819 is about 375.8854784583.

The spelling of 53108819 in words is "fifty-three million, one hundred eight thousand, eight hundred nineteen".