53356728238 has 16 divisors (see below), whose sum is σ = 88175478960. Its totient is φ = 24012928000.

The previous prime is 53356728199. The next prime is 53356728247. The reversal of 53356728238 is 83282765335.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12004243 + ... + 12008686.

It is an arithmetic number, because the mean of its divisors is an integer number (5510967435).

Almost surely, 2^53356728238 is an apocalyptic number.

53356728238 is a deficient number, since it is larger than the sum of its proper divisors (34818750722).

53356728238 is a wasteful number, since it uses less digits than its factorization.

53356728238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24013043.

The product of its digits is 7257600, while the sum is 52.

The spelling of 53356728238 in words is "fifty-three billion, three hundred fifty-six million, seven hundred twenty-eight thousand, two hundred thirty-eight".