Search a number
-
+
553220455 = 5526121031
BaseRepresentation
bin100000111110010…
…111100101100111
31102112222111210111
4200332113211213
52113111023310
6130521233451
716465203424
oct4076274547
91375874714
10553220455
11264307797
12135332887
138a7ca2a8
145368ad4b
153387c28a
hex20f97967

553220455 has 8 divisors (see below), whose sum is σ = 664022304. Its totient is φ = 442471200.

The previous prime is 553220431. The next prime is 553220471. The reversal of 553220455 is 554022355.

It is a happy number.

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

It is not a de Polignac number, because 553220455 - 213 = 553212263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15790 + ... + 36820.

It is an arithmetic number, because the mean of its divisors is an integer number (83002788).

Almost surely, 2553220455 is an apocalyptic number.

553220455 is a deficient number, since it is larger than the sum of its proper divisors (110801849).

553220455 is a wasteful number, since it uses less digits than its factorization.

553220455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26297.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 553220455 is about 23520.6389156417. The cubic root of 553220455 is about 820.9173033276.

The spelling of 553220455 in words is "five hundred fifty-three million, two hundred twenty thousand, four hundred fifty-five".

Divisors: 1 5 5261 21031 26305 105155 110644091 553220455