51754382522 has 8 divisors (see below), whose sum is σ = 77670926676. Its totient is φ = 25864073632.

The previous prime is 51754382401. The next prime is 51754382527. The reversal of 51754382522 is 22528345715.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49639394401 + 2114988121 = 222799^2 + 45989^2 .

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

It is a super-2 number, since 2×51754382522² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51754382527) by changing a digit.

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, 6553883 + ... + 6561774.

Almost surely, 2^51754382522 is an apocalyptic number.

51754382522 is a deficient number, since it is larger than the sum of its proper divisors (25916544154).

51754382522 is a wasteful number, since it uses less digits than its factorization.

51754382522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13117632.

The product of its digits is 672000, while the sum is 44.

The spelling of 51754382522 in words is "fifty-one billion, seven hundred fifty-four million, three hundred eighty-two thousand, five hundred twenty-two".