Search a number
-
+
54501331 = 531028327
BaseRepresentation
bin1100111111100…
…1111111010011
310210112221202211
43033321333103
5102423020311
65224052551
71231153003
oct317717723
9123487684
1054501331
1128845725
1216304157
13b3a3211
14734a003
154bb8821
hex33f9fd3

54501331 has 4 divisors (see below), whose sum is σ = 55529712. Its totient is φ = 53472952.

The previous prime is 54501311. The next prime is 54501347. The reversal of 54501331 is 13310545.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 54501331 - 217 = 54370259 is a prime.

It is a super-2 number, since 2×545013312 = 5940790161543122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54501311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514111 + ... + 514216.

It is an arithmetic number, because the mean of its divisors is an integer number (13882428).

Almost surely, 254501331 is an apocalyptic number.

54501331 is a deficient number, since it is larger than the sum of its proper divisors (1028381).

54501331 is a wasteful number, since it uses less digits than its factorization.

54501331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028380.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 54501331 is about 7382.5016762612. The cubic root of 54501331 is about 379.1424127679.

Adding to 54501331 its reverse (13310545), we get a palindrome (67811876).

The spelling of 54501331 in words is "fifty-four million, five hundred one thousand, three hundred thirty-one".

Divisors: 1 53 1028327 54501331