57147293025 has 27 divisors (see below), whose sum is σ = 102363574521. Its totient is φ = 30476643840.

The previous prime is 57147293011. The next prime is 57147293051. The reversal of 57147293025 is 52039274175.

It is a happy number.

The square root of 57147293025 is 239055.

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

57147293025 is a `hidden beast` number, since 5 + 71 + 472 + 93 + 0 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 242144721 + 56905148304 = 15561^2 + 238548^2 .

It is not a de Polignac number, because 57147293025 - 2¹³ = 57147284833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3577857 + ... + 3593793.

Almost surely, 2^57147293025 is an apocalyptic number.

57147293025 is the 239055-th square number.

57147293025 is the 119528-th centered octagonal number.

It is an amenable number.

57147293025 is a deficient number, since it is larger than the sum of its proper divisors (45216281496).

57147293025 is an frugal number, since it uses more digits than its factorization.

57147293025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31890 (or 15945 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 57147293025 in words is "fifty-seven billion, one hundred forty-seven million, two hundred ninety-three thousand, twenty-five".