Search a number
-
+
55727936 = 261179159
BaseRepresentation
bin1101010010010…
…1011101000000
310212212021100122
43110211131000
5103231243221
65310235412
71244452055
oct324453500
9125767318
1055727936
1129503250
12167b5b68
13b712614
14758902c
154d5beab
hex3525740

55727936 has 28 divisors (see below), whose sum is σ = 120639840. Its totient is φ = 25330560.

The previous prime is 55727933. The next prime is 55727941. The reversal of 55727936 is 63972755.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55727933) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 38876 + ... + 40283.

Almost surely, 255727936 is an apocalyptic number.

It is an amenable number.

55727936 is an abundant number, since it is smaller than the sum of its proper divisors (64911904).

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

55727936 is a wasteful number, since it uses less digits than its factorization.

55727936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79182 (or 79172 counting only the distinct ones).

The product of its digits is 396900, while the sum is 44.

The square root of 55727936 is about 7465.1146005939. The cubic root of 55727936 is about 381.9656594040.

The spelling of 55727936 in words is "fifty-five million, seven hundred twenty-seven thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 176 352 704 79159 158318 316636 633272 870749 1266544 1741498 2533088 3482996 5066176 6965992 13931984 27863968 55727936