Search a number
-
+
55042968 = 23310092273
BaseRepresentation
bin1101000111111…
…0001110011000
310211120110202110
43101332032120
5103042333333
65243432320
71235600061
oct321761630
9124513673
1055042968
1129085662
12165256a0
13b532906
14744b568
154c74063
hex347e398

55042968 has 32 divisors (see below), whose sum is σ = 137804400. Its totient is φ = 18321408.

The previous prime is 55042961. The next prime is 55043039. The reversal of 55042968 is 86924055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55042961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23080 + ... + 25352.

Almost surely, 255042968 is an apocalyptic number.

It is an amenable number.

55042968 is an abundant number, since it is smaller than the sum of its proper divisors (82761432).

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

55042968 is a wasteful number, since it uses less digits than its factorization.

55042968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291 (or 3287 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 55042968 is about 7419.0948234943. The cubic root of 55042968 is about 380.3942537895.

The spelling of 55042968 in words is "fifty-five million, forty-two thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 1009 2018 2273 3027 4036 4546 6054 6819 8072 9092 12108 13638 18184 24216 27276 54552 2293457 4586914 6880371 9173828 13760742 18347656 27521484 55042968