55030155457 has 2 divisors, whose sum is σ = 55030155458. Its totient is φ = 55030155456.

The previous prime is 55030155431. The next prime is 55030155491. The reversal of 55030155457 is 75455103055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45160925121 + 9869230336 = 212511^2 + 99344^2 .

It is a cyclic number.

It is not a de Polignac number, because 55030155457 - 2⁷ = 55030155329 is a prime.

It is not a weakly prime, because it can be changed into another prime (55030155857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27515077728 + 27515077729.

It is an arithmetic number, because the mean of its divisors is an integer number (27515077729).

Almost surely, 2^55030155457 is an apocalyptic number.

It is an amenable number.

55030155457 is a deficient number, since it is larger than the sum of its proper divisors (1).

55030155457 is an equidigital number, since it uses as much as digits as its factorization.

55030155457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262500, while the sum is 40.

The spelling of 55030155457 in words is "fifty-five billion, thirty million, one hundred fifty-five thousand, four hundred fifty-seven".