45655549 has 2 divisors, whose sum is σ = 45655550. Its totient is φ = 45655548.

The previous prime is 45655513. The next prime is 45655559. The reversal of 45655549 is 94555654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40411449 + 5244100 = 6357^2 + 2290^2 .

It is a cyclic number.

It is not a de Polignac number, because 45655549 - 2⁹ = 45655037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45655559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22827774 + 22827775.

It is an arithmetic number, because the mean of its divisors is an integer number (22827775).

Almost surely, 2^45655549 is an apocalyptic number.

It is an amenable number.

45655549 is a deficient number, since it is larger than the sum of its proper divisors (1).

45655549 is an equidigital number, since it uses as much as digits as its factorization.

45655549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540000, while the sum is 43.

The square root of 45655549 is about 6756.8890030842. The cubic root of 45655549 is about 357.4082089473.

The spelling of 45655549 in words is "forty-five million, six hundred fifty-five thousand, five hundred forty-nine".