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55264277 = 396713931
BaseRepresentation
bin1101001011010…
…0010000010101
310211222201100002
43102310100111
5103121424102
65252301045
71240511225
oct322642025
9124881302
1055264277
1129216962
1216611785
13b5ac573
1474a8085
154cb9902
hex34b4415

55264277 has 4 divisors (see below), whose sum is σ = 55282176. Its totient is φ = 55246380.

The previous prime is 55264259. The next prime is 55264327. The reversal of 55264277 is 77246255.

It is a happy number.

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 55264277 - 28 = 55264021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55264277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55264207) 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 3 ways as a sum of consecutive naturals, for example, 2999 + ... + 10932.

It is an arithmetic number, because the mean of its divisors is an integer number (13820544).

Almost surely, 255264277 is an apocalyptic number.

It is an amenable number.

55264277 is a deficient number, since it is larger than the sum of its proper divisors (17899).

55264277 is a wasteful number, since it uses less digits than its factorization.

55264277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17898.

The product of its digits is 117600, while the sum is 38.

The square root of 55264277 is about 7433.9946865733. The cubic root of 55264277 is about 380.9033839010.

The spelling of 55264277 in words is "fifty-five million, two hundred sixty-four thousand, two hundred seventy-seven".

Divisors: 1 3967 13931 55264277