Search a number
-
+
55712199 = 319977407
BaseRepresentation
bin1101010010000…
…1100111000111
310212211110202210
43110201213013
5103230242244
65310034503
71244355144
oct324414707
9125743683
1055712199
11294a2444
12167a8a33
13b7083ca
1475833cb
154d574b9
hex35219c7

55712199 has 8 divisors (see below), whose sum is σ = 78192640. Its totient is φ = 35186616.

The previous prime is 55712197. The next prime is 55712227. The reversal of 55712199 is 99121755.

55712199 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 not a de Polignac number, because 55712199 - 21 = 55712197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55712197) 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, 488647 + ... + 488760.

It is an arithmetic number, because the mean of its divisors is an integer number (9774080).

Almost surely, 255712199 is an apocalyptic number.

55712199 is a deficient number, since it is larger than the sum of its proper divisors (22480441).

55712199 is a wasteful number, since it uses less digits than its factorization.

55712199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977429.

The product of its digits is 28350, while the sum is 39.

The square root of 55712199 is about 7464.0604901086. The cubic root of 55712199 is about 381.9297016186.

The spelling of 55712199 in words is "fifty-five million, seven hundred twelve thousand, one hundred ninety-nine".

Divisors: 1 3 19 57 977407 2932221 18570733 55712199