53800279 has 4 divisors (see below), whose sum is σ = 57938776. Its totient is φ = 49661784.

The previous prime is 53800277. The next prime is 53800297. The reversal of 53800279 is 97200835.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97200835 = 5 ⋅19440167.

It is a cyclic number.

It is not a de Polignac number, because 53800279 - 2¹ = 53800277 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 (53800277) 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, 2069229 + ... + 2069254.

It is an arithmetic number, because the mean of its divisors is an integer number (14484694).

Almost surely, 2^53800279 is an apocalyptic number.

53800279 is a deficient number, since it is larger than the sum of its proper divisors (4138497).

53800279 is a wasteful number, since it uses less digits than its factorization.

53800279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138496.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 53800279 is about 7334.8673471304. The cubic root of 53800279 is about 377.5097528290.

The spelling of 53800279 in words is "fifty-three million, eight hundred thousand, two hundred seventy-nine".