Search a number
-
+
55711894 = 277974993
BaseRepresentation
bin1101010010000…
…1100010010110
310212211110100111
43110201202112
5103230240034
65310033234
71244354230
oct324414226
9125743314
1055711894
11294a2197
12167a881a
13b708224
147583250
154d57364
hex3521896

55711894 has 16 divisors (see below), whose sum is σ = 95645088. Its totient is φ = 23841792.

The previous prime is 55711889. The next prime is 55711913. The reversal of 55711894 is 49811755.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8662 + ... + 13654.

It is an arithmetic number, because the mean of its divisors is an integer number (5977818).

Almost surely, 255711894 is an apocalyptic number.

55711894 is a deficient number, since it is larger than the sum of its proper divisors (39933194).

55711894 is a wasteful number, since it uses less digits than its factorization.

55711894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5799.

The product of its digits is 50400, while the sum is 40.

The square root of 55711894 is about 7464.0400588421. The cubic root of 55711894 is about 381.9290046511.

The spelling of 55711894 in words is "fifty-five million, seven hundred eleven thousand, eight hundred ninety-four".

Divisors: 1 2 7 14 797 1594 4993 5579 9986 11158 34951 69902 3979421 7958842 27855947 55711894