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54532889 = 173207817
BaseRepresentation
bin1101000000000…
…1101100011001
310210121120001122
43100001230121
5102430023024
65224455025
71231344005
oct320015431
9123546048
1054532889
1128867404
121631a475
13b3b46a8
147357705
154bc2d5e
hex3401b19

54532889 has 4 divisors (see below), whose sum is σ = 57740724. Its totient is φ = 51325056.

The previous prime is 54532879. The next prime is 54532903. The reversal of 54532889 is 98823545.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23116864 + 31416025 = 4808^2 + 5605^2 .

It is a cyclic number.

It is not a de Polignac number, because 54532889 - 220 = 53484313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54532859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1603892 + ... + 1603925.

It is an arithmetic number, because the mean of its divisors is an integer number (14435181).

Almost surely, 254532889 is an apocalyptic number.

It is an amenable number.

54532889 is a deficient number, since it is larger than the sum of its proper divisors (3207835).

54532889 is a wasteful number, since it uses less digits than its factorization.

54532889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3207834.

The product of its digits is 345600, while the sum is 44.

The square root of 54532889 is about 7384.6387183125. The cubic root of 54532889 is about 379.2155771440.

The spelling of 54532889 in words is "fifty-four million, five hundred thirty-two thousand, eight hundred eighty-nine".

Divisors: 1 17 3207817 54532889