2154550033 has 4 divisors (see below), whose sum is σ = 2162163568. Its totient is φ = 2146936500.

The previous prime is 2154550019. The next prime is 2154550037. The reversal of 2154550033 is 3300554512.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2154550033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2154549983 and 2154550010.

It is not an unprimeable number, because it can be changed into a prime (2154550037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3806343 + ... + 3806908.

It is an arithmetic number, because the mean of its divisors is an integer number (540540892).

Almost surely, 2^2154550033 is an apocalyptic number.

It is an amenable number.

2154550033 is a deficient number, since it is larger than the sum of its proper divisors (7613535).

2154550033 is an equidigital number, since it uses as much as digits as its factorization.

2154550033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7613534.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 2154550033 is about 46417.1308139570. The cubic root of 2154550033 is about 1291.5727133678.

The spelling of 2154550033 in words is "two billion, one hundred fifty-four million, five hundred fifty thousand, thirty-three".