Search a number
-
+
55032245312 = 261178170803
BaseRepresentation
bin110011010000001011…
…010110110001000000
312021001021212201102212
4303100023112301000
51400201223322222
641140444001252
73655515236612
oct632013266100
9167037781385
1055032245312
11213802a4480
12a7ba230228
1352604ab585
142940bc6db2
15167156a6e2
hexcd02d6c40

55032245312 has 28 divisors (see below), whose sum is σ = 119132305296. Its totient is φ = 25014656640.

The previous prime is 55032245309. The next prime is 55032245327. The reversal of 55032245312 is 21354223055.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39084698 + ... + 39086105.

Almost surely, 255032245312 is an apocalyptic number.

It is an amenable number.

55032245312 is an abundant number, since it is smaller than the sum of its proper divisors (64100059984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55032245312 is a wasteful number, since it uses less digits than its factorization.

55032245312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78170826 (or 78170816 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 55032245312 its reverse (21354223055), we get a palindrome (76386468367).

The spelling of 55032245312 in words is "fifty-five billion, thirty-two million, two hundred forty-five thousand, three hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 176 352 704 78170803 156341606 312683212 625366424 859878833 1250732848 1719757666 2501465696 3439515332 5002931392 6879030664 13758061328 27516122656 55032245312