550100999057 has 2 divisors, whose sum is σ = 550100999058. Its totient is φ = 550100999056.

The previous prime is 550100999047. The next prime is 550100999069. The reversal of 550100999057 is 750999001055.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 407310727681 + 142790271376 = 638209^2 + 377876^2 .

It is a cyclic number.

It is not a de Polignac number, because 550100999057 - 2²⁰ = 550099950481 is a prime.

It is a super-2 number, since 2×550100999057² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 550100998996 and 550100999014.

It is not a weakly prime, because it can be changed into another prime (550100999047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275050499528 + 275050499529.

It is an arithmetic number, because the mean of its divisors is an integer number (275050499529).

Almost surely, 2^550100999057 is an apocalyptic number.

It is an amenable number.

550100999057 is a deficient number, since it is larger than the sum of its proper divisors (1).

550100999057 is an equidigital number, since it uses as much as digits as its factorization.

550100999057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 637875, while the sum is 50.

The spelling of 550100999057 in words is "five hundred fifty billion, one hundred million, nine hundred ninety-nine thousand, fifty-seven".