Search a number
-
+
55752986 = 279352867
BaseRepresentation
bin1101010010101…
…1100100011010
310212220112201102
43110223210122
5103233043421
65310551402
71244615102
oct324534432
9125815642
1055752986
1129520053
1216808562
13b720b43
147594202
154d6460b
hex352b91a

55752986 has 8 divisors (see below), whose sum is σ = 84688320. Its totient is φ = 27523548.

The previous prime is 55752971. The next prime is 55752997. The reversal of 55752986 is 68925755.

55752986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55752986.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 176276 + ... + 176591.

It is an arithmetic number, because the mean of its divisors is an integer number (10586040).

Almost surely, 255752986 is an apocalyptic number.

55752986 is a deficient number, since it is larger than the sum of its proper divisors (28935334).

55752986 is a wasteful number, since it uses less digits than its factorization.

55752986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352948.

The product of its digits is 756000, while the sum is 47.

The square root of 55752986 is about 7466.7922162064. The cubic root of 55752986 is about 382.0228826876.

The spelling of 55752986 in words is "fifty-five million, seven hundred fifty-two thousand, nine hundred eighty-six".

Divisors: 1 2 79 158 352867 705734 27876493 55752986