51536673142 has 8 divisors (see below), whose sum is σ = 77440872600. Its totient is φ = 25723048944.

The previous prime is 51536673131. The next prime is 51536673193. The reversal of 51536673142 is 24137663515.

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

It is a congruent number.

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, 22642392 + ... + 22644667.

It is an arithmetic number, because the mean of its divisors is an integer number (9680109075).

Almost surely, 2^51536673142 is an apocalyptic number.

51536673142 is a deficient number, since it is larger than the sum of its proper divisors (25904199458).

51536673142 is a wasteful number, since it uses less digits than its factorization.

51536673142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45287630.

The product of its digits is 453600, while the sum is 43.

The spelling of 51536673142 in words is "fifty-one billion, five hundred thirty-six million, six hundred seventy-three thousand, one hundred forty-two".