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55153153 = 1111344371
BaseRepresentation
bin1101001001100…
…1001000000001
310211210001220101
43102121020001
5103104400103
65250042401
71236536236
oct322311001
9124701811
1055153153
1129150420
1216579401
13b570b03
14747978d
154c96a1d
hex3499201

55153153 has 8 divisors (see below), whose sum is σ = 60700896. Its totient is φ = 49694400.

The previous prime is 55153129. The next prime is 55153207. The reversal of 55153153 is 35135155.

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 55153153 - 25 = 55153121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55153453) 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, 20943 + ... + 23428.

It is an arithmetic number, because the mean of its divisors is an integer number (7587612).

Almost surely, 255153153 is an apocalyptic number.

It is an amenable number.

55153153 is a deficient number, since it is larger than the sum of its proper divisors (5547743).

55153153 is a wasteful number, since it uses less digits than its factorization.

55153153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44495.

The product of its digits is 5625, while the sum is 28.

The square root of 55153153 is about 7426.5168820922. The cubic root of 55153153 is about 380.6479089841.

It can be divided in two parts, 5515 and 3153, that added together give a palindrome (8668).

The spelling of 55153153 in words is "fifty-five million, one hundred fifty-three thousand, one hundred fifty-three".

Divisors: 1 11 113 1243 44371 488081 5013923 55153153