55148201 has 2 divisors, whose sum is σ = 55148202. Its totient is φ = 55148200.

The previous prime is 55148189. The next prime is 55148213. The reversal of 55148201 is 10284155.

It is a balanced prime because it is at equal distance from previous prime (55148189) and next prime (55148213).

It can be written as a sum of positive squares in only one way, i.e., 50395801 + 4752400 = 7099^2 + 2180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55148201 is a prime.

It is not a weakly prime, because it can be changed into another prime (55148251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27574100 + 27574101.

It is an arithmetic number, because the mean of its divisors is an integer number (27574101).

Almost surely, 2^55148201 is an apocalyptic number.

It is an amenable number.

55148201 is a deficient number, since it is larger than the sum of its proper divisors (1).

55148201 is an equidigital number, since it uses as much as digits as its factorization.

55148201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 55148201 is about 7426.1834747062. The cubic root of 55148201 is about 380.6365163150.

The spelling of 55148201 in words is "fifty-five million, one hundred forty-eight thousand, two hundred one".