51055783638051 has 8 divisors (see below), whose sum is σ = 68075930690640. Its totient is φ = 34036412838752.

The previous prime is 51055783638047. The next prime is 51055783638163. The reversal of 51055783638051 is 15083638755015.

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

It is a cyclic number.

It is not a de Polignac number, because 51055783638051 - 2² = 51055783638047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51055783637982 and 51055783638000.

It is not an unprimeable number, because it can be changed into a prime (51055783638031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193909836 + ... + 194172953.

It is an arithmetic number, because the mean of its divisors is an integer number (8509491336330).

Almost surely, 2^{51055783638051} is an apocalyptic number.

51055783638051 is a deficient number, since it is larger than the sum of its proper divisors (17020147052589).

51055783638051 is a wasteful number, since it uses less digits than its factorization.

51055783638051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388126645.

The product of its (nonzero) digits is 15120000, while the sum is 57.

The spelling of 51055783638051 in words is "fifty-one trillion, fifty-five billion, seven hundred eighty-three million, six hundred thirty-eight thousand, fifty-one".