51570006863076 has 135 divisors (see below), whose sum is σ = 145986980550411. Its totient is φ = 15867177371136.

The previous prime is 51570006863021. The next prime is 51570006863087. The reversal of 51570006863076 is 67036860007515.

The square root of 51570006863076 is 7181226.

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

51570006863076 is a `hidden beast` number, since 5 + 1 + 570 + 0 + 0 + 6 + 8 + 63 + 0 + 7 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4603985576100 + 46966021286976 = 2145690^2 + 6853176^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1680391540 + ... + 1680422228.

Almost surely, 2^{51570006863076} is an apocalyptic number.

51570006863076 is the 7181226-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51570006863076

51570006863076 is an abundant number, since it is smaller than the sum of its proper divisors (94416973687335).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51570006863076 is an frugal number, since it uses more digits than its factorization.

51570006863076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61420 (or 30707 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 51570006863076 in words is "fifty-one trillion, five hundred seventy billion, six million, eight hundred sixty-three thousand, seventy-six".