51374343532457 has 16 divisors (see below), whose sum is σ = 56576699562240. Its totient is φ = 46262640067200.

The previous prime is 51374343532411. The next prime is 51374343532469. The reversal of 51374343532457 is 75423534347315.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 51374343532457 - 2²⁶ = 51374276423593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51374343552457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49293332 + ... + 50324757.

It is an arithmetic number, because the mean of its divisors is an integer number (3536043722640).

Almost surely, 2^{51374343532457} is an apocalyptic number.

It is an amenable number.

51374343532457 is a deficient number, since it is larger than the sum of its proper divisors (5202356029783).

51374343532457 is a wasteful number, since it uses less digits than its factorization.

51374343532457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99618544.

The product of its digits is 63504000, while the sum is 56.

The spelling of 51374343532457 in words is "fifty-one trillion, three hundred seventy-four billion, three hundred forty-three million, five hundred thirty-two thousand, four hundred fifty-seven".