55210937 has 2 divisors, whose sum is σ = 55210938. Its totient is φ = 55210936.

The previous prime is 55210933. The next prime is 55210957. The reversal of 55210937 is 73901255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49716601 + 5494336 = 7051^2 + 2344^2 .

It is a cyclic number.

It is not a de Polignac number, because 55210937 - 2² = 55210933 is a prime.

It is equal to p_3294068 and since 55210937 and 3294068 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (55210933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27605468 + 27605469.

It is an arithmetic number, because the mean of its divisors is an integer number (27605469).

Almost surely, 2^55210937 is an apocalyptic number.

It is an amenable number.

55210937 is a deficient number, since it is larger than the sum of its proper divisors (1).

55210937 is an equidigital number, since it uses as much as digits as its factorization.

55210937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 55210937 is about 7430.4062473057. The cubic root of 55210937 is about 380.7807976195.

The spelling of 55210937 in words is "fifty-five million, two hundred ten thousand, nine hundred thirty-seven".