53403736221796 has 81 divisors (see below), whose sum is σ = 95466449990457. Its totient is φ = 26139658210560.

The previous prime is 53403736221767. The next prime is 53403736221799. The reversal of 53403736221796 is 69712263730435.

The square root of 53403736221796 is 7307786.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 23980315180900 + 29423421040896 = 4896970^2 + 5424336^2 .

It is a super-2 number, since 2×53403736221796² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53403736221796.

It is not an unprimeable number, because it can be changed into a prime (53403736221799) 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 in 26 ways as a sum of consecutive naturals, for example, 197061757141 + ... + 197061757411.

Almost surely, 2^{53403736221796} is an apocalyptic number.

53403736221796 is the 7307786-th square number.

It is an amenable number.

53403736221796 is a deficient number, since it is larger than the sum of its proper divisors (42062713768661).

53403736221796 is an frugal number, since it uses more digits than its factorization.

53403736221796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 58.

The spelling of 53403736221796 in words is "fifty-three trillion, four hundred three billion, seven hundred thirty-six million, two hundred twenty-one thousand, seven hundred ninety-six".