51702481372401 has 24 divisors (see below), whose sum is σ = 75408247079360. Its totient is φ = 34132851670176.

The previous prime is 51702481372357. The next prime is 51702481372403. The reversal of 51702481372401 is 10427318420715.

It is a happy number.

51702481372401 is a `hidden beast` number, since 5 + 1 + 70 + 2 + 48 + 137 + 2 + 401 = 666.

It is not a de Polignac number, because 51702481372401 - 2¹⁴ = 51702481356017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51702481372403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38938290 + ... + 40244196.

Almost surely, 2^{51702481372401} is an apocalyptic number.

It is an amenable number.

51702481372401 is a deficient number, since it is larger than the sum of its proper divisors (23705765706959).

51702481372401 is a wasteful number, since it uses less digits than its factorization.

51702481372401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348725 (or 1348722 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 51702481372401 in words is "fifty-one trillion, seven hundred two billion, four hundred eighty-one million, three hundred seventy-two thousand, four hundred one".