53075778279 has 24 divisors (see below), whose sum is σ = 73350003792. Its totient is φ = 34136739840.

The previous prime is 53075778263. The next prime is 53075778281. The reversal of 53075778279 is 97287757035.

It is a happy number.

53075778279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53075778279 - 2⁴ = 53075778263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53075778979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3476647 + ... + 3491879.

It is an arithmetic number, because the mean of its divisors is an integer number (3056250158).

Almost surely, 2^53075778279 is an apocalyptic number.

53075778279 is a deficient number, since it is larger than the sum of its proper divisors (20274225513).

53075778279 is a wasteful number, since it uses less digits than its factorization.

53075778279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16675 (or 16646 counting only the distinct ones).

The product of its (nonzero) digits is 25930800, while the sum is 60.

The spelling of 53075778279 in words is "fifty-three billion, seventy-five million, seven hundred seventy-eight thousand, two hundred seventy-nine".