53942385025 has 9 divisors (see below), whose sum is σ = 66889997443. Its totient is φ = 43152979000.

The previous prime is 53942384963. The next prime is 53942385059. The reversal of 53942385025 is 52058324935.

It is a happy number.

The square root of 53942385025 is 232255.

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., 19419258609 + 34523126416 = 139353^2 + 185804^2 .

It is not a de Polignac number, because 53942385025 - 2¹⁵ = 53942352257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1138050 + ... + 1184500.

Almost surely, 2^53942385025 is an apocalyptic number.

53942385025 is the 232255-th square number.

53942385025 is the 116128-th centered octagonal number.

It is an amenable number.

53942385025 is a deficient number, since it is larger than the sum of its proper divisors (12947612418).

53942385025 is an frugal number, since it uses more digits than its factorization.

53942385025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92912 (or 46456 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 53942385025 in words is "fifty-three billion, nine hundred forty-two million, three hundred eighty-five thousand, twenty-five".