51576546451 has 2 divisors, whose sum is σ = 51576546452. Its totient is φ = 51576546450.

The previous prime is 51576546433. The next prime is 51576546503. The reversal of 51576546451 is 15464567515.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51576546451 - 2⁷ = 51576546323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51576546395 and 51576546404.

It is not a weakly prime, because it can be changed into another prime (51576546421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25788273225 + 25788273226.

It is an arithmetic number, because the mean of its divisors is an integer number (25788273226).

Almost surely, 2^51576546451 is an apocalyptic number.

51576546451 is a deficient number, since it is larger than the sum of its proper divisors (1).

51576546451 is an equidigital number, since it uses as much as digits as its factorization.

51576546451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520000, while the sum is 49.

The spelling of 51576546451 in words is "fifty-one billion, five hundred seventy-six million, five hundred forty-six thousand, four hundred fifty-one".