550100101091 has 2 divisors, whose sum is σ = 550100101092. Its totient is φ = 550100101090.

The previous prime is 550100101051. The next prime is 550100101127. The reversal of 550100101091 is 190101001055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550100101091 - 2¹⁸ = 550099838947 is a prime.

It is a super-2 number, since 2×550100101091² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (550100101051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275050050545 + 275050050546.

It is an arithmetic number, because the mean of its divisors is an integer number (275050050546).

Almost surely, 2^550100101091 is an apocalyptic number.

550100101091 is a deficient number, since it is larger than the sum of its proper divisors (1).

550100101091 is an equidigital number, since it uses as much as digits as its factorization.

550100101091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225, while the sum is 23.

The spelling of 550100101091 in words is "five hundred fifty billion, one hundred million, one hundred one thousand, ninety-one".