2321550553 has 8 divisors (see below), whose sum is σ = 2653607808. Its totient is φ = 1989595104.

The previous prime is 2321550547. The next prime is 2321550593. The reversal of 2321550553 is 3550551232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2321550553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2321550523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32100 + ... + 75322.

It is an arithmetic number, because the mean of its divisors is an integer number (331700976).

Almost surely, 2^2321550553 is an apocalyptic number.

It is an amenable number.

2321550553 is a deficient number, since it is larger than the sum of its proper divisors (332057255).

2321550553 is an equidigital number, since it uses as much as digits as its factorization.

2321550553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50903.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 2321550553 is about 48182.4714289336. The cubic root of 2321550553 is about 1324.1160456103.

The spelling of 2321550553 in words is "two billion, three hundred twenty-one million, five hundred fifty thousand, five hundred fifty-three".