55797629 has 2 divisors, whose sum is σ = 55797630. Its totient is φ = 55797628.

The previous prime is 55797619. The next prime is 55797641. The reversal of 55797629 is 92679755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50438404 + 5359225 = 7102^2 + 2315^2 .

It is a cyclic number.

It is not a de Polignac number, because 55797629 - 2⁸ = 55797373 is a prime.

It is a super-2 number, since 2×55797629² = 6226750804043282, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55797619) 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, 27898814 + 27898815.

It is an arithmetic number, because the mean of its divisors is an integer number (27898815).

Almost surely, 2^55797629 is an apocalyptic number.

It is an amenable number.

55797629 is a deficient number, since it is larger than the sum of its proper divisors (1).

55797629 is an equidigital number, since it uses as much as digits as its factorization.

55797629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1190700, while the sum is 50.

The square root of 55797629 is about 7469.7810543549. The cubic root of 55797629 is about 382.1248210097.

The spelling of 55797629 in words is "fifty-five million, seven hundred ninety-seven thousand, six hundred twenty-nine".