1550450099 has 16 divisors (see below), whose sum is σ = 1792355040. Its totient is φ = 1325506560.

The previous prime is 1550450071. The next prime is 1550450119. The reversal of 1550450099 is 9900540551.

It is a cyclic number.

It is not a de Polignac number, because 1550450099 - 2¹² = 1550446003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1550450029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298307 + ... + 303459.

It is an arithmetic number, because the mean of its divisors is an integer number (112022190).

Almost surely, 2^1550450099 is an apocalyptic number.

1550450099 is a deficient number, since it is larger than the sum of its proper divisors (241904941).

1550450099 is a wasteful number, since it uses less digits than its factorization.

1550450099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6790.

The product of its (nonzero) digits is 40500, while the sum is 38.

The square root of 1550450099 is about 39375.7552181542. The cubic root of 1550450099 is about 1157.4065373053.

The spelling of 1550450099 in words is "one billion, five hundred fifty million, four hundred fifty thousand, ninety-nine".