Search a number
-
+
55756308 = 2234646359
BaseRepresentation
bin1101010010110…
…0011000010100
310212220201021110
43110230120110
5103233200213
65311015020
71244630556
oct324543024
9125821243
1055756308
11295225a3
121680a470
13b7224ca
1475954d6
154d655c3
hex352c614

55756308 has 12 divisors (see below), whose sum is σ = 130098080. Its totient is φ = 18585432.

The previous prime is 55756303. The next prime is 55756333. The reversal of 55756308 is 80365755.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55756303) 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, 2323168 + ... + 2323191.

Almost surely, 255756308 is an apocalyptic number.

It is an amenable number.

55756308 is an abundant number, since it is smaller than the sum of its proper divisors (74341772).

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

55756308 is a wasteful number, since it uses less digits than its factorization.

55756308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4646366 (or 4646364 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 55756308 is about 7467.0146645095. The cubic root of 55756308 is about 382.0304700529.

It can be divided in two parts, 557 and 56308, that added together give a palindrome (56865).

The spelling of 55756308 in words is "fifty-five million, seven hundred fifty-six thousand, three hundred eight".

Divisors: 1 2 3 4 6 12 4646359 9292718 13939077 18585436 27878154 55756308