553255491 has 8 divisors (see below), whose sum is σ = 738614464. Its totient is φ = 368366760.

The previous prime is 553255459. The next prime is 553255511. The reversal of 553255491 is 194552355.

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

It is not a de Polignac number, because 553255491 - 2⁵ = 553255459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553255691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114805 + ... + 119526.

It is an arithmetic number, because the mean of its divisors is an integer number (92326808).

Almost surely, 2^553255491 is an apocalyptic number.

553255491 is a deficient number, since it is larger than the sum of its proper divisors (185358973).

553255491 is a wasteful number, since it uses less digits than its factorization.

553255491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235121.

The product of its digits is 135000, while the sum is 39.

The square root of 553255491 is about 23521.3836965430. The cubic root of 553255491 is about 820.9346327974.

The spelling of 553255491 in words is "five hundred fifty-three million, two hundred fifty-five thousand, four hundred ninety-one".