51844842163538 has 8 divisors (see below), whose sum is σ = 77767360827888. Its totient is φ = 25922388554244.

The previous prime is 51844842163523. The next prime is 51844842163607. The reversal of 51844842163538 is 83536124844815.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14220056 + ... + 17489987.

It is an arithmetic number, because the mean of its divisors is an integer number (9720920103486).

Almost surely, 2^{51844842163538} is an apocalyptic number.

51844842163538 is a deficient number, since it is larger than the sum of its proper divisors (25922518664350).

51844842163538 is a wasteful number, since it uses less digits than its factorization.

51844842163538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32527528.

The product of its digits is 88473600, while the sum is 62.

The spelling of 51844842163538 in words is "fifty-one trillion, eight hundred forty-four billion, eight hundred forty-two million, one hundred sixty-three thousand, five hundred thirty-eight".