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55089453 = 3139132109
BaseRepresentation
bin1101001000100…
…1100100101101
310211122211112010
43102021210231
5103100330303
65244431433
71236152436
oct322114455
9124584463
1055089453
1129107581
1216548579
13b54ab13
14746048d
154c82c03
hex348992d

55089453 has 8 divisors (see below), whose sum is σ = 73981600. Its totient is φ = 36461808.

The previous prime is 55089451. The next prime is 55089457. The reversal of 55089453 is 35498055.

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

It is not a de Polignac number, because 55089453 - 21 = 55089451 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55089451) 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, 65638 + ... + 66471.

It is an arithmetic number, because the mean of its divisors is an integer number (9247700).

Almost surely, 255089453 is an apocalyptic number.

It is an amenable number.

55089453 is a deficient number, since it is larger than the sum of its proper divisors (18892147).

55089453 is a wasteful number, since it uses less digits than its factorization.

55089453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132251.

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 55089453 is about 7422.2269569180. The cubic root of 55089453 is about 380.5013074367.

The spelling of 55089453 in words is "fifty-five million, eighty-nine thousand, four hundred fifty-three".

Divisors: 1 3 139 417 132109 396327 18363151 55089453