50551000050061 has 32 divisors (see below), whose sum is σ = 59731232126720. Its totient is φ = 41881485735936.

The previous prime is 50551000050037. The next prime is 50551000050077. The reversal of 50551000050061 is 16005000015505.

It is not a de Polignac number, because 50551000050061 - 2⁷ = 50551000049933 is a prime.

It is a super-2 number, since 2×50551000050061² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50551000051061) 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, 330345955 + ... + 330498943.

It is an arithmetic number, because the mean of its divisors is an integer number (1866601003960).

Almost surely, 2^{50551000050061} is an apocalyptic number.

It is an amenable number.

50551000050061 is a deficient number, since it is larger than the sum of its proper divisors (9180232076659).

50551000050061 is a wasteful number, since it uses less digits than its factorization.

50551000050061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164453.

The product of its (nonzero) digits is 3750, while the sum is 28.

Adding to 50551000050061 its reverse (16005000015505), we get a palindrome (66556000065566).

The spelling of 50551000050061 in words is "fifty trillion, five hundred fifty-one billion, fifty thousand, sixty-one".