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54897533 = 731993779
BaseRepresentation
bin1101000101101…
…0101101111101
310211022002020222
43101122231331
5103023210113
65240351125
71234423055
oct321325575
9124262228
1054897533
1128a96369
12164754a5
13b4b1662
147410565
154c45e08
hex345ab7d

54897533 has 8 divisors (see below), whose sum is σ = 55944000. Its totient is φ = 53859168.

The previous prime is 54897503. The next prime is 54897587. The reversal of 54897533 is 33579845.

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

It is a cyclic number.

It is not a de Polignac number, because 54897533 - 28 = 54897277 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 (54897503) 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, 12638 + ... + 16416.

It is an arithmetic number, because the mean of its divisors is an integer number (6993000).

Almost surely, 254897533 is an apocalyptic number.

It is an amenable number.

54897533 is a deficient number, since it is larger than the sum of its proper divisors (1046467).

54897533 is a wasteful number, since it uses less digits than its factorization.

54897533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4051.

The product of its digits is 453600, while the sum is 44.

The square root of 54897533 is about 7409.2869427496. The cubic root of 54897533 is about 380.0589313035.

The spelling of 54897533 in words is "fifty-four million, eight hundred ninety-seven thousand, five hundred thirty-three".

Divisors: 1 73 199 3779 14527 275867 752021 54897533