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55510023 = 341451301
BaseRepresentation
bin1101001111000…
…0010000000111
310212110012102210
43103300100013
5103202310043
65301434503
71242553542
oct323602007
9125405383
1055510023
1129374558
121670ba33
13b66738a
14752d859
154d17633
hex34f0407

55510023 has 8 divisors (see below), whose sum is σ = 75818736. Its totient is φ = 36104000.

The previous prime is 55510009. The next prime is 55510043. The reversal of 55510023 is 32001555.

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 55510023 - 214 = 55493639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55510043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225528 + ... + 225773.

It is an arithmetic number, because the mean of its divisors is an integer number (9477342).

Almost surely, 255510023 is an apocalyptic number.

55510023 is a deficient number, since it is larger than the sum of its proper divisors (20308713).

55510023 is a wasteful number, since it uses less digits than its factorization.

55510023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451345.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 55510023 is about 7450.5048822211. The cubic root of 55510023 is about 381.4671421629.

Adding to 55510023 its reverse (32001555), we get a palindrome (87511578).

The spelling of 55510023 in words is "fifty-five million, five hundred ten thousand, twenty-three".

Divisors: 1 3 41 123 451301 1353903 18503341 55510023