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55044577 = 719413869
BaseRepresentation
bin1101000111111…
…0100111100001
310211120112222001
43101332213201
5103042411302
65243444001
71235604550
oct321764741
9124515861
1055044577
1129086895
1216526601
13b533573
14744bd97
154c74787
hex347e9e1

55044577 has 8 divisors (see below), whose sum is σ = 66219200. Its totient is φ = 44697744.

The previous prime is 55044547. The next prime is 55044599. The reversal of 55044577 is 77544055.

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

It is not a de Polignac number, because 55044577 - 223 = 46655969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55044527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206802 + ... + 207067.

It is an arithmetic number, because the mean of its divisors is an integer number (8277400).

Almost surely, 255044577 is an apocalyptic number.

It is an amenable number.

55044577 is a deficient number, since it is larger than the sum of its proper divisors (11174623).

55044577 is a wasteful number, since it uses less digits than its factorization.

55044577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413895.

The product of its (nonzero) digits is 98000, while the sum is 37.

The square root of 55044577 is about 7419.2032591108. The cubic root of 55044577 is about 380.3979602781.

The spelling of 55044577 in words is "fifty-five million, forty-four thousand, five hundred seventy-seven".

Divisors: 1 7 19 133 413869 2897083 7863511 55044577