60550051909 has 2 divisors, whose sum is σ = 60550051910. Its totient is φ = 60550051908.

The previous prime is 60550051901. The next prime is 60550051921. The reversal of 60550051909 is 90915005506.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59595550884 + 954501025 = 244122^2 + 30895^2 .

It is a cyclic number.

It is not a de Polignac number, because 60550051909 - 2³ = 60550051901 is a prime.

It is a super-3 number, since 3×60550051909³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60550051901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30275025954 + 30275025955.

It is an arithmetic number, because the mean of its divisors is an integer number (30275025955).

Almost surely, 2^60550051909 is an apocalyptic number.

It is an amenable number.

60550051909 is a deficient number, since it is larger than the sum of its proper divisors (1).

60550051909 is an equidigital number, since it uses as much as digits as its factorization.

60550051909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60750, while the sum is 40.

The spelling of 60550051909 in words is "sixty billion, five hundred fifty million, fifty-one thousand, nine hundred nine".