Search a number
-
+
55693568 = 28731079
BaseRepresentation
bin1101010001110…
…1000100000000
310212210112012202
43110131010000
5103224143233
65305412332
71244246630
oct324350400
9125715182
1055693568
112948a447
121679a0a8
13b6cca98
14757a6c0
154d51be8
hex351d100

55693568 has 36 divisors (see below), whose sum is σ = 127055040. Its totient is φ = 23867904.

The previous prime is 55693567. The next prime is 55693591. The reversal of 55693568 is 86539655.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55693567) 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, 13748 + ... + 17331.

Almost surely, 255693568 is an apocalyptic number.

It is an amenable number.

55693568 is an abundant number, since it is smaller than the sum of its proper divisors (71361472).

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

55693568 is an equidigital number, since it uses as much as digits as its factorization.

55693568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31102 (or 31088 counting only the distinct ones).

The product of its digits is 972000, while the sum is 47.

The square root of 55693568 is about 7462.8123385223. The cubic root of 55693568 is about 381.8871225201.

The spelling of 55693568 in words is "fifty-five million, six hundred ninety-three thousand, five hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 896 1792 31079 62158 124316 217553 248632 435106 497264 870212 994528 1740424 1989056 3480848 3978112 6961696 7956224 13923392 27846784 55693568