51788079442 has 16 divisors (see below), whose sum is σ = 84750995232. Its totient is φ = 23538129120.

The previous prime is 51788079439. The next prime is 51788079443. The reversal of 51788079442 is 24497088715.

It is not an unprimeable number, because it can be changed into a prime (51788079443) 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 7 ways as a sum of consecutive naturals, for example, 203158 + ... + 380590.

It is an arithmetic number, because the mean of its divisors is an integer number (5296937202).

Almost surely, 2^51788079442 is an apocalyptic number.

51788079442 is a deficient number, since it is larger than the sum of its proper divisors (32962915790).

51788079442 is a wasteful number, since it uses less digits than its factorization.

51788079442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190713.

The product of its (nonzero) digits is 4515840, while the sum is 55.

The spelling of 51788079442 in words is "fifty-one billion, seven hundred eighty-eight million, seventy-nine thousand, four hundred forty-two".