Search a number
-
+
55161460 = 2255946747
BaseRepresentation
bin1101001001101…
…1001001110100
310211210111022001
43102123021310
5103110131320
65250145044
71236602404
oct322331164
9124714261
1055161460
1129156692
1216582184
13b574823
14747c804
154c9920a
hex349b274

55161460 has 24 divisors (see below), whose sum is σ = 117804960. Its totient is φ = 21690144.

The previous prime is 55161443. The next prime is 55161461. The reversal of 55161460 is 6416155.

55161460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55161461) 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, 22194 + ... + 24553.

It is an arithmetic number, because the mean of its divisors is an integer number (4908540).

Almost surely, 255161460 is an apocalyptic number.

It is an amenable number.

55161460 is an abundant number, since it is smaller than the sum of its proper divisors (62643500).

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

55161460 is a wasteful number, since it uses less digits than its factorization.

55161460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46815 (or 46813 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 55161460 is about 7427.0761407165. The cubic root of 55161460 is about 380.6670187011.

The spelling of 55161460 in words is "fifty-five million, one hundred sixty-one thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 46747 93494 186988 233735 467470 934940 2758073 5516146 11032292 13790365 27580730 55161460