55197301 has 2 divisors, whose sum is σ = 55197302. Its totient is φ = 55197300.

The previous prime is 55197287. The next prime is 55197313. The reversal of 55197301 is 10379155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54774801 + 422500 = 7401^2 + 650^2 .

It is a cyclic number.

It is not a de Polignac number, because 55197301 - 2⁵ = 55197269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55197101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27598650 + 27598651.

It is an arithmetic number, because the mean of its divisors is an integer number (27598651).

Almost surely, 2^55197301 is an apocalyptic number.

It is an amenable number.

55197301 is a deficient number, since it is larger than the sum of its proper divisors (1).

55197301 is an equidigital number, since it uses as much as digits as its factorization.

55197301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 55197301 is about 7429.4886095881. The cubic root of 55197301 is about 380.7494466182.

The spelling of 55197301 in words is "fifty-five million, one hundred ninety-seven thousand, three hundred one".