Search a number
-
+
55749634 = 227874817
BaseRepresentation
bin1101010010101…
…0110000000010
310212220101010021
43110222300002
5103232442014
65310524054
71244602243
oct324526002
9125811107
1055749634
1129518586
121680662a
13b71c465
147592cca
154d63624
hex352ac02

55749634 has 4 divisors (see below), whose sum is σ = 83624454. Its totient is φ = 27874816.

The previous prime is 55749619. The next prime is 55749637. The reversal of 55749634 is 43694755.

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

It can be written as a sum of positive squares in only one way, i.e., 55726225 + 23409 = 7465^2 + 153^2 .

It is a super-2 number, since 2×557496342 = 6216043382267912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55749637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13937407 + ... + 13937410.

Almost surely, 255749634 is an apocalyptic number.

55749634 is a deficient number, since it is larger than the sum of its proper divisors (27874820).

55749634 is a wasteful number, since it uses less digits than its factorization.

55749634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27874819.

The product of its digits is 453600, while the sum is 43.

The square root of 55749634 is about 7466.5677523210. The cubic root of 55749634 is about 382.0152264976.

The spelling of 55749634 in words is "fifty-five million, seven hundred forty-nine thousand, six hundred thirty-four".

Divisors: 1 2 27874817 55749634