82555049 has 2 divisors, whose sum is σ = 82555050. Its totient is φ = 82555048.

The previous prime is 82555013. The next prime is 82555087. The reversal of 82555049 is 94055528.

It is an a-pointer prime, because the next prime (82555087) can be obtained adding 82555049 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81360400 + 1194649 = 9020^2 + 1093^2 .

It is a cyclic number.

It is not a de Polignac number, because 82555049 - 2²⁰ = 81506473 is a prime.

It is a super-2 number, since 2×82555049² = 13630672230784802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82515049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41277524 + 41277525.

It is an arithmetic number, because the mean of its divisors is an integer number (41277525).

Almost surely, 2^82555049 is an apocalyptic number.

It is an amenable number.

82555049 is a deficient number, since it is larger than the sum of its proper divisors (1).

82555049 is an equidigital number, since it uses as much as digits as its factorization.

82555049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 82555049 is about 9085.9809046685. The cubic root of 82555049 is about 435.4261890802.

The spelling of 82555049 in words is "eighty-two million, five hundred fifty-five thousand, forty-nine".