1550324001 has 4 divisors (see below), whose sum is σ = 2067098672. Its totient is φ = 1033549332.

The previous prime is 1550323987. The next prime is 1550324011. The reversal of 1550324001 is 1004230551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1004230551 = 3 ⋅334743517.

It is not a de Polignac number, because 1550324001 - 2⁵ = 1550323969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1550324011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258387331 + ... + 258387336.

It is an arithmetic number, because the mean of its divisors is an integer number (516774668).

Almost surely, 2^1550324001 is an apocalyptic number.

It is an amenable number.

1550324001 is a deficient number, since it is larger than the sum of its proper divisors (516774671).

1550324001 is an equidigital number, since it uses as much as digits as its factorization.

1550324001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516774670.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1550324001 is about 39374.1539718633. The cubic root of 1550324001 is about 1157.3751591899.

Adding to 1550324001 its reverse (1004230551), we get a palindrome (2554554552).

The spelling of 1550324001 in words is "one billion, five hundred fifty million, three hundred twenty-four thousand, one".