51010050551 has 8 divisors (see below), whose sum is σ = 51072261504. Its totient is φ = 50947880760.

The previous prime is 51010050541. The next prime is 51010050577. The reversal of 51010050551 is 15505001015.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51010050551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51010050541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2970476 + ... + 2987598.

It is an arithmetic number, because the mean of its divisors is an integer number (6384032688).

Almost surely, 2^51010050551 is an apocalyptic number.

51010050551 is a deficient number, since it is larger than the sum of its proper divisors (62210953).

51010050551 is a wasteful number, since it uses less digits than its factorization.

51010050551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20581.

The product of its (nonzero) digits is 625, while the sum is 23.

Adding to 51010050551 its reverse (15505001015), we get a palindrome (66515051566).

The spelling of 51010050551 in words is "fifty-one billion, ten million, fifty thousand, five hundred fifty-one".