1550085107 has 2 divisors, whose sum is σ = 1550085108. Its totient is φ = 1550085106.

The previous prime is 1550085029. The next prime is 1550085127. The reversal of 1550085107 is 7015800551.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1550085107 - 2¹⁰ = 1550084083 is a prime.

It is not a weakly prime, because it can be changed into another prime (1550085127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775042553 + 775042554.

It is an arithmetic number, because the mean of its divisors is an integer number (775042554).

Almost surely, 2^1550085107 is an apocalyptic number.

1550085107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1550085107 is an equidigital number, since it uses as much as digits as its factorization.

1550085107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7000, while the sum is 32.

The square root of 1550085107 is about 39371.1202152034. The cubic root of 1550085107 is about 1157.3157083517.

Adding to 1550085107 its reverse (7015800551), we get a palindrome (8565885658).

The spelling of 1550085107 in words is "one billion, five hundred fifty million, eighty-five thousand, one hundred seven".