Search a number
-
+
55286052 = 2234607171
BaseRepresentation
bin1101001011100…
…1100100100100
310212000211012120
43102321210210
5103123123202
65252545540
71240631553
oct322714444
9125024176
1055286052
1129231258
12166222b0
13b5b9453
1474b1d9a
154cc10bc
hex34b9924

55286052 has 12 divisors (see below), whose sum is σ = 129000816. Its totient is φ = 18428680.

The previous prime is 55286047. The next prime is 55286059. The reversal of 55286052 is 25068255.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×552860523 (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55286059) 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, 2303574 + ... + 2303597.

It is an arithmetic number, because the mean of its divisors is an integer number (10750068).

Almost surely, 255286052 is an apocalyptic number.

It is an amenable number.

55286052 is an abundant number, since it is smaller than the sum of its proper divisors (73714764).

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

55286052 is a wasteful number, since it uses less digits than its factorization.

55286052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4607178 (or 4607176 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 55286052 is about 7435.4590981324. The cubic root of 55286052 is about 380.9534046530.

The spelling of 55286052 in words is "fifty-five million, two hundred eighty-six thousand, fifty-two".

Divisors: 1 2 3 4 6 12 4607171 9214342 13821513 18428684 27643026 55286052