55324277 has 2 divisors, whose sum is σ = 55324278. Its totient is φ = 55324276.

The previous prime is 55324271. The next prime is 55324289. The reversal of 55324277 is 77242355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49688401 + 5635876 = 7049^2 + 2374^2 .

It is a cyclic number.

It is not a de Polignac number, because 55324277 - 2²² = 51129973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55324271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27662138 + 27662139.

It is an arithmetic number, because the mean of its divisors is an integer number (27662139).

Almost surely, 2^55324277 is an apocalyptic number.

It is an amenable number.

55324277 is a deficient number, since it is larger than the sum of its proper divisors (1).

55324277 is an equidigital number, since it uses as much as digits as its factorization.

55324277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58800, while the sum is 35.

The square root of 55324277 is about 7438.0291072300. The cubic root of 55324277 is about 381.0411820013.

The spelling of 55324277 in words is "fifty-five million, three hundred twenty-four thousand, two hundred seventy-seven".