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55888971 = 318629657
BaseRepresentation
bin1101010100110…
…0110001001011
310220011110020220
43111030301023
5103301421341
65313521123
71246022415
oct325146113
9126143226
1055888971
1129603236
12168731a3
13b76a9c8
1475cb9b5
154d8ea66
hex354cc4b

55888971 has 4 divisors (see below), whose sum is σ = 74518632. Its totient is φ = 37259312.

The previous prime is 55888957. The next prime is 55889021. The reversal of 55888971 is 17988855.

55888971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55888971 - 221 = 53791819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55888901) 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 3 ways as a sum of consecutive naturals, for example, 9314826 + ... + 9314831.

It is an arithmetic number, because the mean of its divisors is an integer number (18629658).

Almost surely, 255888971 is an apocalyptic number.

55888971 is a deficient number, since it is larger than the sum of its proper divisors (18629661).

55888971 is a wasteful number, since it uses less digits than its factorization.

55888971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18629660.

The product of its digits is 806400, while the sum is 51.

The square root of 55888971 is about 7475.8926557302. The cubic root of 55888971 is about 382.3332230337. Note that the first 3 decimals are identical.

The spelling of 55888971 in words is "fifty-five million, eight hundred eighty-eight thousand, nine hundred seventy-one".

Divisors: 1 3 18629657 55888971