55037237 has 2 divisors, whose sum is σ = 55037238. Its totient is φ = 55037236.

The previous prime is 55037219. The next prime is 55037263. The reversal of 55037237 is 73273055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46977316 + 8059921 = 6854^2 + 2839^2 .

It is a cyclic number.

It is not a de Polignac number, because 55037237 - 2¹² = 55033141 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55037287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27518618 + 27518619.

It is an arithmetic number, because the mean of its divisors is an integer number (27518619).

Almost surely, 2^55037237 is an apocalyptic number.

It is an amenable number.

55037237 is a deficient number, since it is larger than the sum of its proper divisors (1).

55037237 is an equidigital number, since it uses as much as digits as its factorization.

55037237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22050, while the sum is 32.

The square root of 55037237 is about 7418.7085803393. The cubic root of 55037237 is about 380.3810512848.

The spelling of 55037237 in words is "fifty-five million, thirty-seven thousand, two hundred thirty-seven".