51672500416546 has 8 divisors (see below), whose sum is σ = 77510827550124. Its totient is φ = 25835557899840.

The previous prime is 51672500416531. The next prime is 51672500416547. The reversal of 51672500416546 is 64561400527615.

It can be written as a sum of positive squares in 2 ways, for example, as 50544208208025 + 1128292208521 = 7109445^2 + 1062211^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 51672500416493 and 51672500416502.

It is not an unprimeable number, because it can be changed into a prime (51672500416547) 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, 346060915 + ... + 346210198.

Almost surely, 2^{51672500416546} is an apocalyptic number.

51672500416546 is a deficient number, since it is larger than the sum of its proper divisors (25838327133578).

51672500416546 is a wasteful number, since it uses less digits than its factorization.

51672500416546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692308436.

The product of its (nonzero) digits is 6048000, while the sum is 52.

The spelling of 51672500416546 in words is "fifty-one trillion, six hundred seventy-two billion, five hundred million, four hundred sixteen thousand, five hundred forty-six".