51030386774 has 16 divisors (see below), whose sum is σ = 77335806240. Its totient is φ = 25252318080.

The previous prime is 51030386773. The next prime is 51030386801. The reversal of 51030386774 is 47768303015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51030386773) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 59207 + ... + 324909.

It is an arithmetic number, because the mean of its divisors is an integer number (4833487890).

Almost surely, 2^51030386774 is an apocalyptic number.

51030386774 is a deficient number, since it is larger than the sum of its proper divisors (26305419466).

51030386774 is a wasteful number, since it uses less digits than its factorization.

51030386774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266695.

The product of its (nonzero) digits is 423360, while the sum is 44.

Adding to 51030386774 its reverse (47768303015), we get a palindrome (98798689789).

The spelling of 51030386774 in words is "fifty-one billion, thirty million, three hundred eighty-six thousand, seven hundred seventy-four".