51545306404036 has 9 divisors (see below), whose sum is σ = 90204311335341. Its totient is φ = 25772646022512.

The previous prime is 51545306404013. The next prime is 51545306404091. The reversal of 51545306404036 is 63040460354515.

The square root of 51545306404036 is 7179506.

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

51545306404036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 29101817052100 + 22443489351936 = 5394610^2 + 4737456^2 .

It is a super-2 number, since 2×51545306404036² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 12564136 + ... + 16153888.

Almost surely, 2^{51545306404036} is an apocalyptic number.

51545306404036 is the 7179506-th square number.

It is an amenable number.

51545306404036 is a deficient number, since it is larger than the sum of its proper divisors (38659004931305).

51545306404036 is an frugal number, since it uses more digits than its factorization.

51545306404036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7179510 (or 3589755 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 51545306404036 in words is "fifty-one trillion, five hundred forty-five billion, three hundred six million, four hundred four thousand, thirty-six".