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52755749 is a prime number
BaseRepresentation
bin1100100100111…
…1110100100101
310200021021021122
43021033310211
5102001140444
65122423325
71210262564
oct311176445
9120237248
1052755749
11278631a2
1215801b45
13ac11827
147013bdb
1549714ee
hex324fd25

52755749 has 2 divisors, whose sum is σ = 52755750. Its totient is φ = 52755748.

The previous prime is 52755737. The next prime is 52755757. The reversal of 52755749 is 94755725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28569025 + 24186724 = 5345^2 + 4918^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52755749 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52755719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26377874 + 26377875.

It is an arithmetic number, because the mean of its divisors is an integer number (26377875).

Almost surely, 252755749 is an apocalyptic number.

It is an amenable number.

52755749 is a deficient number, since it is larger than the sum of its proper divisors (1).

52755749 is an equidigital number, since it uses as much as digits as its factorization.

52755749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 441000, while the sum is 44.

The square root of 52755749 is about 7263.3152898659. The cubic root of 52755749 is about 375.0506574528.

The spelling of 52755749 in words is "fifty-two million, seven hundred fifty-five thousand, seven hundred forty-nine".