51545012054 has 16 divisors (see below), whose sum is σ = 78116615136. Its totient is φ = 25506360000.

The previous prime is 51545012009. The next prime is 51545012083. The reversal of 51545012054 is 45021054515.

It is a self number, because there is not a number n which added to its sum of digits gives 51545012054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426479 + ... + 533829.

It is an arithmetic number, because the mean of its divisors is an integer number (4882288446).

Almost surely, 2^51545012054 is an apocalyptic number.

51545012054 is a deficient number, since it is larger than the sum of its proper divisors (26571603082).

51545012054 is a wasteful number, since it uses less digits than its factorization.

51545012054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109831.

The product of its (nonzero) digits is 20000, while the sum is 32.

Adding to 51545012054 its reverse (45021054515), we get a palindrome (96566066569).

The spelling of 51545012054 in words is "fifty-one billion, five hundred forty-five million, twelve thousand, fifty-four".