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49955749 is a prime number
BaseRepresentation
bin1011111010010…
…0001110100101
310111000000101221
42332210032211
5100242040444
64542420341
71144421404
oct276441645
9114000357
1049955749
1126220548
12148916b1
13a47121c
1468c563b
1545bba84
hex2fa43a5

49955749 has 2 divisors, whose sum is σ = 49955750. Its totient is φ = 49955748.

The previous prime is 49955699. The next prime is 49955771. The reversal of 49955749 is 94755994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33431524 + 16524225 = 5782^2 + 4065^2 .

It is a cyclic number.

It is not a de Polignac number, because 49955749 - 225 = 16401317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49955696 and 49955705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49955249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24977874 + 24977875.

It is an arithmetic number, because the mean of its divisors is an integer number (24977875).

Almost surely, 249955749 is an apocalyptic number.

It is an amenable number.

49955749 is a deficient number, since it is larger than the sum of its proper divisors (1).

49955749 is an equidigital number, since it uses as much as digits as its factorization.

49955749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2041200, while the sum is 52.

The square root of 49955749 is about 7067.9381010306. The cubic root of 49955749 is about 368.2944364013.

The spelling of 49955749 in words is "forty-nine million, nine hundred fifty-five thousand, seven hundred forty-nine".