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55641682 = 227820841
BaseRepresentation
bin1101010001000…
…0011001010010
310212200220001001
43110100121102
5103221013212
65304332214
71243642435
oct324203122
9125626031
1055641682
1129454468
121677406a
13b6b2295
14756581c
154d41657
hex3510652

55641682 has 4 divisors (see below), whose sum is σ = 83462526. Its totient is φ = 27820840.

The previous prime is 55641667. The next prime is 55641689. The reversal of 55641682 is 28614655.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38576521 + 17065161 = 6211^2 + 4131^2 .

It is not an unprimeable number, because it can be changed into a prime (55641689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13910419 + ... + 13910422.

Almost surely, 255641682 is an apocalyptic number.

55641682 is a deficient number, since it is larger than the sum of its proper divisors (27820844).

55641682 is a wasteful number, since it uses less digits than its factorization.

55641682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27820843.

The product of its digits is 57600, while the sum is 37.

The square root of 55641682 is about 7459.3352250720. The cubic root of 55641682 is about 381.7684927127.

The spelling of 55641682 in words is "fifty-five million, six hundred forty-one thousand, six hundred eighty-two".

Divisors: 1 2 27820841 55641682