53813501279 has 4 divisors (see below), whose sum is σ = 56645790840. Its totient is φ = 50981211720.

The previous prime is 53813501267. The next prime is 53813501363. The reversal of 53813501279 is 97210531835.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97210531835 = 5 ⋅19442106367.

It is a cyclic number.

It is not a de Polignac number, because 53813501279 - 2⁸ = 53813501023 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 (53813501579) 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, 1416144752 + ... + 1416144789.

It is an arithmetic number, because the mean of its divisors is an integer number (14161447710).

Almost surely, 2^53813501279 is an apocalyptic number.

53813501279 is a deficient number, since it is larger than the sum of its proper divisors (2832289561).

53813501279 is a wasteful number, since it uses less digits than its factorization.

53813501279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832289560.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 53813501279 in words is "fifty-three billion, eight hundred thirteen million, five hundred one thousand, two hundred seventy-nine".