51761162542 has 8 divisors (see below), whose sum is σ = 77767176600. Its totient is φ = 25838770344.

The previous prime is 51761162507. The next prime is 51761162591. The reversal of 51761162542 is 24526116715.

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

It is a junction number, because it is equal to n+sod(n) for n = 51761162495 and 51761162504.

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, 20903917 + ... + 20906392.

It is an arithmetic number, because the mean of its divisors is an integer number (9720897075).

Almost surely, 2^51761162542 is an apocalyptic number.

51761162542 is a deficient number, since it is larger than the sum of its proper divisors (26006014058).

51761162542 is a wasteful number, since it uses less digits than its factorization.

51761162542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41810930.

The product of its digits is 100800, while the sum is 40.

The spelling of 51761162542 in words is "fifty-one billion, seven hundred sixty-one million, one hundred sixty-two thousand, five hundred forty-two".