55780411 has 2 divisors, whose sum is σ = 55780412. Its totient is φ = 55780410.

The previous prime is 55780397. The next prime is 55780421. The reversal of 55780411 is 11408755.

55780411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55780411 - 2⁵ = 55780379 is a prime.

It is a super-2 number, since 2×55780411² = 6222908502657842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55780421) 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, 27890205 + 27890206.

It is an arithmetic number, because the mean of its divisors is an integer number (27890206).

Almost surely, 2^55780411 is an apocalyptic number.

55780411 is a deficient number, since it is larger than the sum of its proper divisors (1).

55780411 is an equidigital number, since it uses as much as digits as its factorization.

55780411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 55780411 is about 7468.6284550779. The cubic root of 55780411 is about 382.0855116808.

The spelling of 55780411 in words is "fifty-five million, seven hundred eighty thousand, four hundred eleven".