51550160061 has 32 divisors (see below), whose sum is σ = 75738608640. Its totient is φ = 31042687104.

The previous prime is 51550160041. The next prime is 51550160111. The reversal of 51550160061 is 16006105515.

It is not a de Polignac number, because 51550160061 - 2¹³ = 51550151869 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51550160041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 347530 + ... + 473156.

It is an arithmetic number, because the mean of its divisors is an integer number (2366831520).

Almost surely, 2^51550160061 is an apocalyptic number.

It is an amenable number.

51550160061 is a deficient number, since it is larger than the sum of its proper divisors (24188448579).

51550160061 is a wasteful number, since it uses less digits than its factorization.

51550160061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125985.

The product of its (nonzero) digits is 4500, while the sum is 30.

Adding to 51550160061 its reverse (16006105515), we get a palindrome (67556265576).

The spelling of 51550160061 in words is "fifty-one billion, five hundred fifty million, one hundred sixty thousand, sixty-one".