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54942589 = 1317248609
BaseRepresentation
bin1101000110010…
…1101101111101
310211101101001201
43101211231331
5103031130324
65241335501
71235001322
oct321455575
9124341051
1054942589
11290171a9
1216497591
13b4c9010
147422b49
154c54444
hex3465b7d

54942589 has 8 divisors (see below), whose sum is σ = 62649720. Its totient is φ = 47732736.

The previous prime is 54942553. The next prime is 54942599. The reversal of 54942589 is 98524945.

It can be written as a sum of positive squares in 4 ways, for example, as 20520900 + 34421689 = 4530^2 + 5867^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-54942589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54942529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124084 + ... + 124525.

It is an arithmetic number, because the mean of its divisors is an integer number (7831215).

Almost surely, 254942589 is an apocalyptic number.

It is an amenable number.

54942589 is a deficient number, since it is larger than the sum of its proper divisors (7707131).

54942589 is a wasteful number, since it uses less digits than its factorization.

54942589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248639.

The product of its digits is 518400, while the sum is 46.

The square root of 54942589 is about 7412.3268276568. The cubic root of 54942589 is about 380.1628780063.

The spelling of 54942589 in words is "fifty-four million, nine hundred forty-two thousand, five hundred eighty-nine".

Divisors: 1 13 17 221 248609 3231917 4226353 54942589