55606751 has 2 divisors, whose sum is σ = 55606752. Its totient is φ = 55606750.

The previous prime is 55606721. The next prime is 55606753. The reversal of 55606751 is 15760655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55606751 - 2¹⁰ = 55605727 is a prime.

It is a super-2 number, since 2×55606751² = 6184221513552002, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 55606753, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55606753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27803375 + 27803376.

It is an arithmetic number, because the mean of its divisors is an integer number (27803376).

Almost surely, 2^55606751 is an apocalyptic number.

55606751 is a deficient number, since it is larger than the sum of its proper divisors (1).

55606751 is an equidigital number, since it uses as much as digits as its factorization.

55606751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 55606751 is about 7456.9934289900. The cubic root of 55606751 is about 381.6885865085.

The spelling of 55606751 in words is "fifty-five million, six hundred six thousand, seven hundred fifty-one".