51600555105646 has 16 divisors (see below), whose sum is σ = 79899231604608. Its totient is φ = 24967511193600.

The previous prime is 51600555105587. The next prime is 51600555105647. The reversal of 51600555105646 is 64650155500615.

It is a self number, because there is not a number n which added to its sum of digits gives 51600555105646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51600555105647) 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, 5187795 + ... + 11406766.

It is an arithmetic number, because the mean of its divisors is an integer number (4993701975288).

Almost surely, 2^{51600555105646} is an apocalyptic number.

51600555105646 is a deficient number, since it is larger than the sum of its proper divisors (28298676498962).

51600555105646 is a wasteful number, since it uses less digits than its factorization.

51600555105646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16644747.

The product of its (nonzero) digits is 2700000, while the sum is 49.

The spelling of 51600555105646 in words is "fifty-one trillion, six hundred billion, five hundred fifty-five million, one hundred five thousand, six hundred forty-six".