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54254081 = 77750583
BaseRepresentation
bin1100111011110…
…1101000000001
310210002101121102
43032331220001
5102342112311
65214504145
71226103110
oct316755001
9123071542
1054254081
1128696992
1216205055
13b31780b
1472c3c77
154b6a43b
hex33bda01

54254081 has 4 divisors (see below), whose sum is σ = 62004672. Its totient is φ = 46503492.

The previous prime is 54254023. The next prime is 54254107. The reversal of 54254081 is 18045245.

54254081 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 54254081 - 218 = 53991937 is a prime.

It is a super-2 number, since 2×542540812 = 5887010610309122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54254381) 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 in 3 ways as a sum of consecutive naturals, for example, 3875285 + ... + 3875298.

It is an arithmetic number, because the mean of its divisors is an integer number (15501168).

Almost surely, 254254081 is an apocalyptic number.

It is an amenable number.

54254081 is a deficient number, since it is larger than the sum of its proper divisors (7750591).

54254081 is an equidigital number, since it uses as much as digits as its factorization.

54254081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7750590.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 54254081 is about 7365.7369624499. The cubic root of 54254081 is about 378.5682061330.

The spelling of 54254081 in words is "fifty-four million, two hundred fifty-four thousand, eighty-one".

Divisors: 1 7 7750583 54254081