51345000050004 has 36 divisors (see below), whose sum is σ = 130084396522080. Its totient is φ = 17076013678800.

The previous prime is 51345000049963. The next prime is 51345000050011. The reversal of 51345000050004 is 40005000054315.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 51345000050004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1624414722 + ... + 1624446329.

Almost surely, 2^{51345000050004} is an apocalyptic number.

It is an amenable number.

51345000050004 is an abundant number, since it is smaller than the sum of its proper divisors (78739396472076).

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

51345000050004 is a wasteful number, since it uses less digits than its factorization.

51345000050004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3248861500 (or 3248861495 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The spelling of 51345000050004 in words is "fifty-one trillion, three hundred forty-five billion, fifty thousand, four".