51206056556050 has 72 divisors (see below), whose sum is σ = 105315759859968. Its totient is φ = 18508884530400.

The previous prime is 51206056556041. The next prime is 51206056556101. The reversal of 51206056556050 is 5065565060215.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 24330402 + ... + 26351101.

It is an arithmetic number, because the mean of its divisors is an integer number (1462718886944).

Almost surely, 2^{51206056556050} is an apocalyptic number.

51206056556050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51206056556050 is an abundant number, since it is smaller than the sum of its proper divisors (54109703303918).

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

51206056556050 is a wasteful number, since it uses less digits than its factorization.

51206056556050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50681704 (or 50681688 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 46.

The spelling of 51206056556050 in words is "fifty-one trillion, two hundred six billion, fifty-six million, five hundred fifty-six thousand, fifty".