51566425034 has 8 divisors (see below), whose sum is σ = 77459981508. Its totient is φ = 25746431200.

The previous prime is 51566424997. The next prime is 51566425039. The reversal of 51566425034 is 43052466515.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 48103455625 + 3462969409 = 219325^2 + 58847^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×51566425034³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51566424982 and 51566425000.

It is not an unprimeable number, because it can be changed into a prime (51566425039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18388907 + ... + 18391710.

Almost surely, 2^51566425034 is an apocalyptic number.

51566425034 is a deficient number, since it is larger than the sum of its proper divisors (25893556474).

51566425034 is a wasteful number, since it uses less digits than its factorization.

51566425034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36781320.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 51566425034 in words is "fifty-one billion, five hundred sixty-six million, four hundred twenty-five thousand, thirty-four".