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55225045 = 581113619
BaseRepresentation
bin1101001010101…
…0101011010101
310211220201112001
43102222223111
5103114200140
65251355301
71240255651
oct322525325
9124821461
1055225045
112919a437
12165b2b31
13b597755
147497a61
154cace9a
hex34aaad5

55225045 has 8 divisors (see below), whose sum is σ = 66356640. Its totient is φ = 44122320.

The previous prime is 55225031. The next prime is 55225057. The reversal of 55225045 is 54052255.

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

It is not a de Polignac number, because 55225045 - 213 = 55216853 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2755 + ... + 10864.

It is an arithmetic number, because the mean of its divisors is an integer number (8294580).

Almost surely, 255225045 is an apocalyptic number.

It is an amenable number.

55225045 is a deficient number, since it is larger than the sum of its proper divisors (11131595).

55225045 is a wasteful number, since it uses less digits than its factorization.

55225045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14435.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 55225045 is about 7431.3555291077. The cubic root of 55225045 is about 380.8132283798.

The spelling of 55225045 in words is "fifty-five million, two hundred twenty-five thousand, forty-five".

Divisors: 1 5 811 4055 13619 68095 11045009 55225045