51760565242 has 8 divisors (see below), whose sum is σ = 78034964436. Its totient is φ = 25748910432.

The previous prime is 51760565203. The next prime is 51760565323. The reversal of 51760565242 is 24256506715.

It can be written as a sum of positive squares in 2 ways, for example, as 33489366001 + 18271199241 = 183001^2 + 135171^2 .

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

It is a super-2 number, since 2×51760565242² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65685603 + ... + 65686390.

Almost surely, 2^51760565242 is an apocalyptic number.

51760565242 is a deficient number, since it is larger than the sum of its proper divisors (26274399194).

51760565242 is a wasteful number, since it uses less digits than its factorization.

51760565242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131372192.

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 51760565242 in words is "fifty-one billion, seven hundred sixty million, five hundred sixty-five thousand, two hundred forty-two".