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49555001 is a prime number
BaseRepresentation
bin1011110100001…
…0011000111001
310110020122200102
42331002120321
5100141230001
64530045145
71141132136
oct275023071
9113218612
1049555001
1125a77451
12147197b5
13a3609b2
14681d58d
15453ce6b
hex2f42639

49555001 has 2 divisors, whose sum is σ = 49555002. Its totient is φ = 49555000.

The previous prime is 49554991. The next prime is 49555007. The reversal of 49555001 is 10055594.

49555001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30858025 + 18696976 = 5555^2 + 4324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49555001 is a prime.

It is a super-2 number, since 2×495550012 = 4911396248220002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49555007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24777500 + 24777501.

It is an arithmetic number, because the mean of its divisors is an integer number (24777501).

Almost surely, 249555001 is an apocalyptic number.

It is an amenable number.

49555001 is a deficient number, since it is larger than the sum of its proper divisors (1).

49555001 is an equidigital number, since it uses as much as digits as its factorization.

49555001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 49555001 is about 7039.5313054208. The cubic root of 49555001 is about 367.3069645057.

The spelling of 49555001 in words is "forty-nine million, five hundred fifty-five thousand, one".