Search a number
-
+
55050516 = 2234169909
BaseRepresentation
bin1101001000000…
…0000100010100
310211120212010000
43102000010110
5103043104031
65243531300
71235631063
oct322000424
9124525100
1055050516
11290902a4
1216529b30
13b536191
1474501da
154c763e6
hex3480114

55050516 has 30 divisors (see below), whose sum is σ = 143913770. Its totient is φ = 18350064.

The previous prime is 55050493. The next prime is 55050521. The reversal of 55050516 is 61505055.

It can be written as a sum of positive squares in only one way, i.e., 35283600 + 19766916 = 5940^2 + 4446^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 55050516.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 84631 + ... + 85278.

Almost surely, 255050516 is an apocalyptic number.

It is an amenable number.

55050516 is an abundant number, since it is smaller than the sum of its proper divisors (88863254).

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

55050516 is a wasteful number, since it uses less digits than its factorization.

55050516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169925 (or 169914 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 55050516 is about 7419.6034934490. The cubic root of 55050516 is about 380.4116407189.

The spelling of 55050516 in words is "fifty-five million, fifty thousand, five hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 169909 339818 509727 679636 1019454 1529181 2038908 3058362 4587543 6116724 9175086 13762629 18350172 27525258 55050516