51574864201 has 9 divisors (see below), whose sum is σ = 59997099501. Its totient is φ = 44205663852.

The previous prime is 51574864189. The next prime is 51574864217. The reversal of 51574864201 is 10246847515.

The square root of 51574864201 is 227101.

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

It is not a de Polignac number, because 51574864201 - 2¹⁷ = 51574733129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51574864261) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1573486 + ... + 1605928.

It is an arithmetic number, because the mean of its divisors is an integer number (6666344389).

Almost surely, 2^51574864201 is an apocalyptic number.

51574864201 is the 227101-st square number.

51574864201 is the 113551-st centered octagonal number.

It is an amenable number.

51574864201 is a deficient number, since it is larger than the sum of its proper divisors (8422235300).

51574864201 is an frugal number, since it uses more digits than its factorization.

51574864201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64900 (or 32450 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 51574864201 in words is "fifty-one billion, five hundred seventy-four million, eight hundred sixty-four thousand, two hundred one".