55333337 has 2 divisors, whose sum is σ = 55333338. Its totient is φ = 55333336.

The previous prime is 55333307. The next prime is 55333367. The reversal of 55333337 is 73333355.

55333337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (55333307) and next prime (55333367).

It can be written as a sum of positive squares in only one way, i.e., 47554816 + 7778521 = 6896^2 + 2789^2 .

It is a cyclic number.

It is not a de Polignac number, because 55333337 - 2⁸ = 55333081 is a prime.

It is not a weakly prime, because it can be changed into another prime (55333307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27666668 + 27666669.

It is an arithmetic number, because the mean of its divisors is an integer number (27666669).

Almost surely, 2^55333337 is an apocalyptic number.

It is an amenable number.

55333337 is a deficient number, since it is larger than the sum of its proper divisors (1).

55333337 is an equidigital number, since it uses as much as digits as its factorization.

55333337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42525, while the sum is 32.

The square root of 55333337 is about 7438.6381146014. The cubic root of 55333337 is about 381.0619808552.

The spelling of 55333337 in words is "fifty-five million, three hundred thirty-three thousand, three hundred thirty-seven".