51566273476 has 12 divisors (see below), whose sum is σ = 90246801708. Its totient is φ = 25781472992.

The previous prime is 51566273461. The next prime is 51566273489. The reversal of 51566273476 is 67437266515.

It can be written as a sum of positive squares in 2 ways, for example, as 25005096900 + 26561176576 = 158130^2 + 162976^2 .

It is a super-2 number, since 2×51566273476² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344851 + ... + 471226.

It is an arithmetic number, because the mean of its divisors is an integer number (7520566809).

Almost surely, 2^51566273476 is an apocalyptic number.

It is an amenable number.

51566273476 is a deficient number, since it is larger than the sum of its proper divisors (38680528232).

51566273476 is a wasteful number, since it uses less digits than its factorization.

51566273476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831878 (or 831876 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 52.

The spelling of 51566273476 in words is "fifty-one billion, five hundred sixty-six million, two hundred seventy-three thousand, four hundred seventy-six".