Search a number
-
+
55422143353 = 153136199963
BaseRepresentation
bin110011100111011010…
…101100101101111001
312022001110112121000001
4303213122230231321
51402001032041403
641243252513001
74001261305603
oct634732545571
9168043477001
1055422143353
112156039a665
12a8a891b761
1352c31c3a85
14297a8bc173
1516958d5c1d
hexce76acb79

55422143353 has 4 divisors (see below), whose sum is σ = 55458344848. Its totient is φ = 55385941860.

The previous prime is 55422143267. The next prime is 55422143419. The reversal of 55422143353 is 35334122455.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35334122455 = 57066824491.

It is a cyclic number.

It is not a de Polignac number, because 55422143353 - 225 = 55388588921 is a prime.

It is a super-2 number, since 2×554221433532 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55422143053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18098451 + ... + 18101512.

It is an arithmetic number, because the mean of its divisors is an integer number (13864586212).

Almost surely, 255422143353 is an apocalyptic number.

It is an amenable number.

55422143353 is a deficient number, since it is larger than the sum of its proper divisors (36201495).

55422143353 is a wasteful number, since it uses less digits than its factorization.

55422143353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36201494.

The product of its digits is 216000, while the sum is 37.

The spelling of 55422143353 in words is "fifty-five billion, four hundred twenty-two million, one hundred forty-three thousand, three hundred fifty-three".

Divisors: 1 1531 36199963 55422143353