254155553 has 8 divisors (see below), whose sum is σ = 262203648. Its totient is φ = 246169584.

The previous prime is 254155549. The next prime is 254155579. The reversal of 254155553 is 355551452.

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

It is not a de Polignac number, because 254155553 - 2² = 254155549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254155513) 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 7 ways as a sum of consecutive naturals, for example, 7151 + ... + 23652.

It is an arithmetic number, because the mean of its divisors is an integer number (32775456).

Almost surely, 2^254155553 is an apocalyptic number.

It is an amenable number.

254155553 is a deficient number, since it is larger than the sum of its proper divisors (8048095).

254155553 is a wasteful number, since it uses less digits than its factorization.

254155553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31063.

The product of its digits is 75000, while the sum is 35.

The square root of 254155553 is about 15942.2568352163. The cubic root of 254155553 is about 633.4318077411.

The spelling of 254155553 in words is "two hundred fifty-four million, one hundred fifty-five thousand, five hundred fifty-three".