51704623217580 has 48 divisors (see below), whose sum is σ = 152392573697280. Its totient is φ = 13062220602048.

The previous prime is 51704623217567. The next prime is 51704623217617. The reversal of 51704623217580 is 8571232640715.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22677465184 + ... + 22677467463.

It is an arithmetic number, because the mean of its divisors is an integer number (3174845285360).

Almost surely, 2^{51704623217580} is an apocalyptic number.

It is an amenable number.

51704623217580 is an abundant number, since it is smaller than the sum of its proper divisors (100687950479700).

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

51704623217580 is a wasteful number, since it uses less digits than its factorization.

51704623217580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45354932678 (or 45354932676 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 51704623217580 in words is "fifty-one trillion, seven hundred four billion, six hundred twenty-three million, two hundred seventeen thousand, five hundred eighty".