50555100061 has 8 divisors (see below), whose sum is σ = 51887574648. Its totient is φ = 49227360000.

The previous prime is 50555100031. The next prime is 50555100083. The reversal of 50555100061 is 16000155505.

It can be written as a sum of positive squares in 4 ways, for example, as 3496475161 + 47058624900 = 59131^2 + 216930^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 50555100061 - 2²¹ = 50553002909 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 (50555100031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1161990 + ... + 1204711.

It is an arithmetic number, because the mean of its divisors is an integer number (6485946831).

Almost surely, 2^50555100061 is an apocalyptic number.

It is an amenable number.

50555100061 is a deficient number, since it is larger than the sum of its proper divisors (1332474587).

50555100061 is a wasteful number, since it uses less digits than its factorization.

50555100061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367263.

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

Adding to 50555100061 its reverse (16000155505), we get a palindrome (66555255566).

The spelling of 50555100061 in words is "fifty billion, five hundred fifty-five million, one hundred thousand, sixty-one".