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55434253 = 77919179
BaseRepresentation
bin1101001101110…
…1110000001101
310212022100111111
43103131300031
5103142344003
65300052021
71242116620
oct323356015
9125270444
1055434253
1129322636
1216694011
13b63ba44
14750ddb7
154ceee6d
hex34ddc0d

55434253 has 4 divisors (see below), whose sum is σ = 63353440. Its totient is φ = 47515068.

The previous prime is 55434241. The next prime is 55434257. The reversal of 55434253 is 35243455.

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 55434253 - 217 = 55303181 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 (55434257) 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, 3959583 + ... + 3959596.

It is an arithmetic number, because the mean of its divisors is an integer number (15838360).

Almost surely, 255434253 is an apocalyptic number.

It is an amenable number.

55434253 is a deficient number, since it is larger than the sum of its proper divisors (7919187).

55434253 is an equidigital number, since it uses as much as digits as its factorization.

55434253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7919186.

The product of its digits is 36000, while the sum is 31.

The square root of 55434253 is about 7445.4182555448. The cubic root of 55434253 is about 381.2934982887.

The spelling of 55434253 in words is "fifty-five million, four hundred thirty-four thousand, two hundred fifty-three".

Divisors: 1 7 7919179 55434253