2251455553 has 8 divisors (see below), whose sum is σ = 2266704000. Its totient is φ = 2236246848.

The previous prime is 2251455551. The next prime is 2251455581. The reversal of 2251455553 is 3555541522.

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

It is a cyclic number.

It is not a de Polignac number, because 2251455553 - 2¹ = 2251455551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2251455551) 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, 108468 + ... + 127546.

It is an arithmetic number, because the mean of its divisors is an integer number (283338000).

Almost surely, 2^2251455553 is an apocalyptic number.

It is an amenable number.

2251455553 is a deficient number, since it is larger than the sum of its proper divisors (15248447).

2251455553 is a wasteful number, since it uses less digits than its factorization.

2251455553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19871.

The product of its digits is 150000, while the sum is 37.

The square root of 2251455553 is about 47449.5052977373. The cubic root of 2251455553 is about 1310.6532012317.

The spelling of 2251455553 in words is "two billion, two hundred fifty-one million, four hundred fifty-five thousand, five hundred fifty-three".