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55308049 = 471176767
BaseRepresentation
bin1101001011111…
…0111100010001
310212001221101021
43102332330101
5103124324144
65253235441
71241052646
oct322767421
9125057337
1055308049
1129246835
1216632b81
13b5c6474
1474b9dcd
154cc7884
hex34bef11

55308049 has 4 divisors (see below), whose sum is σ = 56484864. Its totient is φ = 54131236.

The previous prime is 55308037. The next prime is 55308059. The reversal of 55308049 is 94080355.

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 55308049 - 27 = 55307921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55308059) 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, 588337 + ... + 588430.

It is an arithmetic number, because the mean of its divisors is an integer number (14121216).

Almost surely, 255308049 is an apocalyptic number.

It is an amenable number.

55308049 is a deficient number, since it is larger than the sum of its proper divisors (1176815).

55308049 is a wasteful number, since it uses less digits than its factorization.

55308049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176814.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 55308049 is about 7436.9381468451. The cubic root of 55308049 is about 381.0039220415.

The spelling of 55308049 in words is "fifty-five million, three hundred eight thousand, forty-nine".

Divisors: 1 47 1176767 55308049