51632774742 has 8 divisors (see below), whose sum is σ = 103265549496. Its totient is φ = 17210924912.

The previous prime is 51632774737. The next prime is 51632774771. The reversal of 51632774742 is 24747723615.

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

51632774742 is an admirable number.

It is a super-2 number, since 2×51632774742² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51632774691 and 51632774700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4302731223 + ... + 4302731234.

It is an arithmetic number, because the mean of its divisors is an integer number (12908193687).

Almost surely, 2^51632774742 is an apocalyptic number.

51632774742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51632774742 is a wasteful number, since it uses less digits than its factorization.

51632774742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8605462462.

The product of its digits is 1975680, while the sum is 48.

The spelling of 51632774742 in words is "fifty-one billion, six hundred thirty-two million, seven hundred seventy-four thousand, seven hundred forty-two".