55789511 has 2 divisors, whose sum is σ = 55789512. Its totient is φ = 55789510.

The previous prime is 55789483. The next prime is 55789541. The reversal of 55789511 is 11598755.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55789511 - 2¹⁰ = 55788487 is a prime.

It is a super-2 number, since 2×55789511² = 6224939075238242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55789541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27894755 + 27894756.

It is an arithmetic number, because the mean of its divisors is an integer number (27894756).

Almost surely, 2^55789511 is an apocalyptic number.

55789511 is a deficient number, since it is larger than the sum of its proper divisors (1).

55789511 is an equidigital number, since it uses as much as digits as its factorization.

55789511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63000, while the sum is 41.

The square root of 55789511 is about 7469.2376451683. The cubic root of 55789511 is about 382.1062883241.

The spelling of 55789511 in words is "fifty-five million, seven hundred eighty-nine thousand, five hundred eleven".