53073774780625 has 45 divisors (see below), whose sum is σ = 66606009669111. Its totient is φ = 42277327560000.

The previous prime is 53073774780623. The next prime is 53073774780713. The reversal of 53073774780625 is 52608747737035.

The square root of 53073774780625 is 7285175.

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

It can be written as a sum of positive squares in 7 ways, for example, as 52928869699729 + 144905080896 = 7275223^2 + 380664^2 .

It is not a de Polignac number, because 53073774780625 - 2¹ = 53073774780623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53073774780623) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 56642235157 + ... + 56642236093.

Almost surely, 2^{53073774780625} is an apocalyptic number.

53073774780625 is the 7285175-th square number.

53073774780625 is the 3642588-th centered octagonal number.

It is an amenable number.

53073774780625 is a deficient number, since it is larger than the sum of its proper divisors (13532234888486).

53073774780625 is an frugal number, since it uses more digits than its factorization.

53073774780625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516 (or 1253 counting only the distinct ones).

The product of its (nonzero) digits is 207446400, while the sum is 64.

The spelling of 53073774780625 in words is "fifty-three trillion, seventy-three billion, seven hundred seventy-four million, seven hundred eighty thousand, six hundred twenty-five".