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55275023 = 107516589
BaseRepresentation
bin1101001011011…
…0111000001111
310212000021002002
43102312320033
5103122300043
65252422515
71240554446
oct322667017
9125007062
1055275023
1129223a41
1216617a3b
13b5b441b
1474abd5d
154cbcbb8
hex34b6e0f

55275023 has 4 divisors (see below), whose sum is σ = 55791720. Its totient is φ = 54758328.

The previous prime is 55275013. The next prime is 55275061. The reversal of 55275023 is 32057255.

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

It is a cyclic number.

It is not a de Polignac number, because 55275023 - 26 = 55274959 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 (55275013) 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, 258188 + ... + 258401.

It is an arithmetic number, because the mean of its divisors is an integer number (13947930).

Almost surely, 255275023 is an apocalyptic number.

55275023 is a deficient number, since it is larger than the sum of its proper divisors (516697).

55275023 is a wasteful number, since it uses less digits than its factorization.

55275023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516696.

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 55275023 is about 7434.7174122491. The cubic root of 55275023 is about 380.9280708701.

The spelling of 55275023 in words is "fifty-five million, two hundred seventy-five thousand, twenty-three".

Divisors: 1 107 516589 55275023