2153220554 has 8 divisors (see below), whose sum is σ = 3234733920. Its totient is φ = 1074975916.

The previous prime is 2153220551. The next prime is 2153220557. The reversal of 2153220554 is 4550223512.

It is an interprime number because it is at equal distance from previous prime (2153220551) and next prime (2153220557).

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

It is not an unprimeable number, because it can be changed into a prime (2153220551) 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, 815534 + ... + 818169.

It is an arithmetic number, because the mean of its divisors is an integer number (404341740).

Almost surely, 2^2153220554 is an apocalyptic number.

2153220554 is a deficient number, since it is larger than the sum of its proper divisors (1081513366).

2153220554 is a wasteful number, since it uses less digits than its factorization.

2153220554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634364.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2153220554 is about 46402.8076090230. The cubic root of 2153220554 is about 1291.3070009483.

The spelling of 2153220554 in words is "two billion, one hundred fifty-three million, two hundred twenty thousand, five hundred fifty-four".