Search a number
-
+
50505559 = 1329133967
BaseRepresentation
bin1100000010101…
…0011101010111
310112000221121021
43000222131113
5100412134214
65002302011
71152201346
oct300523527
9115027537
1050505559
1126566635
1214ab7907
13a604560
1469c9b5d
154679924
hex302a757

50505559 has 8 divisors (see below), whose sum is σ = 56266560. Its totient is φ = 45012576.

The previous prime is 50505551. The next prime is 50505571. The reversal of 50505559 is 95550505.

50505559 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 50505559 - 23 = 50505551 is a prime.

It is a super-2 number, since 2×505055592 = 5101622979804962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50505551) 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, 66607 + ... + 67360.

It is an arithmetic number, because the mean of its divisors is an integer number (7033320).

Almost surely, 250505559 is an apocalyptic number.

50505559 is a deficient number, since it is larger than the sum of its proper divisors (5761001).

50505559 is a wasteful number, since it uses less digits than its factorization.

50505559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134009.

The product of its (nonzero) digits is 28125, while the sum is 34.

The square root of 50505559 is about 7106.7263208878. The cubic root of 50505559 is about 369.6406518405.

It can be divided in two parts, 5050 and 5559, that added together give a square (10609 = 1032).

The spelling of 50505559 in words is "fifty million, five hundred five thousand, five hundred fifty-nine".

Divisors: 1 13 29 377 133967 1741571 3885043 50505559