51010000550551 has 24 divisors (see below), whose sum is σ = 59642740287216. Its totient is φ = 43498711992960.

The previous prime is 51010000550527. The next prime is 51010000550591. The reversal of 51010000550551 is 15505500001015.

It is not a de Polignac number, because 51010000550551 - 2⁵ = 51010000550519 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 (51010000550591) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13700475 + ... + 17021251.

It is an arithmetic number, because the mean of its divisors is an integer number (2485114178634).

Almost surely, 2^{51010000550551} is an apocalyptic number.

51010000550551 is a deficient number, since it is larger than the sum of its proper divisors (8632739736665).

51010000550551 is a wasteful number, since it uses less digits than its factorization.

51010000550551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3322399 (or 3322392 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 28.

Adding to 51010000550551 its reverse (15505500001015), we get a palindrome (66515500551566).

The spelling of 51010000550551 in words is "fifty-one trillion, ten billion, five hundred fifty thousand, five hundred fifty-one".