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54894455 = 5721120369
BaseRepresentation
bin1101000101100…
…1111101110111
310211021221000222
43101121331313
5103023110310
65240324555
71234411100
oct321317567
9124257028
1054894455
1128a94020
121647375b
13b4b0135
14740d3a7
154c45055
hex3459f77

54894455 has 24 divisors (see below), whose sum is σ = 83598480. Its totient is φ = 34218240.

The previous prime is 54894451. The next prime is 54894461. The reversal of 54894455 is 55449845.

It is not a de Polignac number, because 54894455 - 22 = 54894451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54894451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7490 + ... + 12879.

It is an arithmetic number, because the mean of its divisors is an integer number (3483270).

Almost surely, 254894455 is an apocalyptic number.

54894455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

54894455 is a deficient number, since it is larger than the sum of its proper divisors (28704025).

54894455 is a wasteful number, since it uses less digits than its factorization.

54894455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20399 (or 20392 counting only the distinct ones).

The product of its digits is 576000, while the sum is 44.

The square root of 54894455 is about 7409.0792275424. The cubic root of 54894455 is about 380.0518281109.

The spelling of 54894455 in words is "fifty-four million, eight hundred ninety-four thousand, four hundred fifty-five".

Divisors: 1 5 7 11 35 49 55 77 245 385 539 2695 20369 101845 142583 224059 712915 998081 1120295 1568413 4990405 7842065 10978891 54894455