55700201 has 2 divisors, whose sum is σ = 55700202. Its totient is φ = 55700200.

The previous prime is 55700173. The next prime is 55700209. The reversal of 55700201 is 10200755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53640976 + 2059225 = 7324^2 + 1435^2 .

It is a cyclic number.

It is not a de Polignac number, because 55700201 - 2¹⁸ = 55438057 is a prime.

It is not a weakly prime, because it can be changed into another prime (55700209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27850100 + 27850101.

It is an arithmetic number, because the mean of its divisors is an integer number (27850101).

Almost surely, 2^55700201 is an apocalyptic number.

It is an amenable number.

55700201 is a deficient number, since it is larger than the sum of its proper divisors (1).

55700201 is an equidigital number, since it uses as much as digits as its factorization.

55700201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 55700201 is about 7463.2567288014. The cubic root of 55700201 is about 381.9022825995.

Adding to 55700201 its reverse (10200755), we get a palindrome (65900956).

The spelling of 55700201 in words is "fifty-five million, seven hundred thousand, two hundred one".