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55023277 = 547100591
BaseRepresentation
bin1101000111100…
…1011010101101
310211112110202011
43101321122231
5103041221102
65243201221
71235455501
oct321713255
9124473664
1055023277
1129071891
1216516211
13b52696a
147444301
154c6d2d7
hex34796ad

55023277 has 4 divisors (see below), whose sum is σ = 55124416. Its totient is φ = 54922140.

The previous prime is 55023253. The next prime is 55023299. The reversal of 55023277 is 77232055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55023277 - 27 = 55023149 is a prime.

It is a super-2 number, since 2×550232772 = 6055122023637458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55023077) 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, 49749 + ... + 50842.

It is an arithmetic number, because the mean of its divisors is an integer number (13781104).

Almost surely, 255023277 is an apocalyptic number.

It is an amenable number.

55023277 is a deficient number, since it is larger than the sum of its proper divisors (101139).

55023277 is a wasteful number, since it uses less digits than its factorization.

55023277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101138.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 55023277 is about 7417.7676561079. The cubic root of 55023277 is about 380.3488877970.

The spelling of 55023277 in words is "fifty-five million, twenty-three thousand, two hundred seventy-seven".

Divisors: 1 547 100591 55023277