Search a number
-
+
54047558 = 227023779
BaseRepresentation
bin1100111000101…
…1001101000110
310202200220022102
43032023031012
5102314010213
65210232102
71224253025
oct316131506
9122626272
1054047558
1128565804
1216125632
13b274806
14726c8bc
154b29158
hex338b346

54047558 has 4 divisors (see below), whose sum is σ = 81071340. Its totient is φ = 27023778.

The previous prime is 54047557. The next prime is 54047563. The reversal of 54047558 is 85574045.

54047558 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85574045 = 517114809.

It is a super-2 number, since 2×540475582 = 5842277051526728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54047551) by changing a digit.

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 as a sum of consecutive naturals, namely, 13511888 + ... + 13511891.

It is an arithmetic number, because the mean of its divisors is an integer number (20267835).

Almost surely, 254047558 is an apocalyptic number.

54047558 is a deficient number, since it is larger than the sum of its proper divisors (27023782).

54047558 is a wasteful number, since it uses less digits than its factorization.

54047558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27023781.

The product of its (nonzero) digits is 112000, while the sum is 38.

The square root of 54047558 is about 7351.7044282262. The cubic root of 54047558 is about 378.0872441231.

The spelling of 54047558 in words is "fifty-four million, forty-seven thousand, five hundred fifty-eight".

Divisors: 1 2 27023779 54047558