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55934789 is a prime number
BaseRepresentation
bin1101010101011…
…1111101000101
310220020210002212
43111113331011
5103304403124
65314513205
71246303121
oct325277505
9126223085
1055934789
11296346a9
1216895805
13b785811
147600581
154d9d40e
hex3557f45

55934789 has 2 divisors, whose sum is σ = 55934790. Its totient is φ = 55934788.

The previous prime is 55934731. The next prime is 55934797. The reversal of 55934789 is 98743955.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50908225 + 5026564 = 7135^2 + 2242^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55934789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55934719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27967394 + 27967395.

It is an arithmetic number, because the mean of its divisors is an integer number (27967395).

Almost surely, 255934789 is an apocalyptic number.

It is an amenable number.

55934789 is a deficient number, since it is larger than the sum of its proper divisors (1).

55934789 is an equidigital number, since it uses as much as digits as its factorization.

55934789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360800, while the sum is 50.

The square root of 55934789 is about 7478.9564111579. The cubic root of 55934789 is about 382.4376739265.

The spelling of 55934789 in words is "fifty-five million, nine hundred thirty-four thousand, seven hundred eighty-nine".