53526257738 has 4 divisors (see below), whose sum is σ = 80289386610. Its totient is φ = 26763128868.

The previous prime is 53526257737. The next prime is 53526257753. The reversal of 53526257738 is 83775262535.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41454181609 + 12072076129 = 203603^2 + 109873^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53526257738.

It is not an unprimeable number, because it can be changed into a prime (53526257737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13381564433 + ... + 13381564436.

Almost surely, 2^53526257738 is an apocalyptic number.

53526257738 is a deficient number, since it is larger than the sum of its proper divisors (26763128872).

53526257738 is a wasteful number, since it uses less digits than its factorization.

53526257738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26763128871.

The product of its digits is 10584000, while the sum is 53.

The spelling of 53526257738 in words is "fifty-three billion, five hundred twenty-six million, two hundred fifty-seven thousand, seven hundred thirty-eight".