Search a number
-
+
54556380 = 22325303091
BaseRepresentation
bin1101000000011…
…1011011011100
310210122202021200
43100013123130
5102431301010
65225155500
71231502334
oct320073334
9123582250
1054556380
112888301a
121632bb90
13b3c22a8
1473620c4
154bc9cc0
hex34076dc

54556380 has 36 divisors (see below), whose sum is σ = 165488232. Its totient is φ = 14548320.

The previous prime is 54556361. The next prime is 54556393. The reversal of 54556380 is 8365545.

54556380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 151366 + ... + 151725.

Almost surely, 254556380 is an apocalyptic number.

It is an amenable number.

54556380 is an abundant number, since it is smaller than the sum of its proper divisors (110931852).

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

54556380 is a wasteful number, since it uses less digits than its factorization.

54556380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303106 (or 303101 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 54556380 is about 7386.2290784947. The cubic root of 54556380 is about 379.2700205846.

The spelling of 54556380 in words is "fifty-four million, five hundred fifty-six thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 303091 606182 909273 1212364 1515455 1818546 2727819 3030910 3637092 4546365 5455638 6061820 9092730 10911276 13639095 18185460 27278190 54556380