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55790351 is a prime number
BaseRepresentation
bin1101010011010…
…0101100001111
310212222102222022
43110310230033
5103240242401
65311440355
71245132041
oct324645417
9125872868
1055790351
1129546131
12168260bb
13b734b56
1475a3a91
154d7071b
hex3534b0f

55790351 has 2 divisors, whose sum is σ = 55790352. Its totient is φ = 55790350.

The previous prime is 55790321. The next prime is 55790369. The reversal of 55790351 is 15309755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55790351 - 222 = 51596047 is a prime.

It is a super-2 number, since 2×557903512 = 6225126529406402, which contains 22 as substring.

It is a Chen prime.

It is equal to p3326588 and since 55790351 and 3326588 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55790321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27895175 + 27895176.

It is an arithmetic number, because the mean of its divisors is an integer number (27895176).

Almost surely, 255790351 is an apocalyptic number.

55790351 is a deficient number, since it is larger than the sum of its proper divisors (1).

55790351 is an equidigital number, since it uses as much as digits as its factorization.

55790351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23625, while the sum is 35.

The square root of 55790351 is about 7469.2938755949. The cubic root of 55790351 is about 382.1082060541.

The spelling of 55790351 in words is "fifty-five million, seven hundred ninety thousand, three hundred fifty-one".