55838711 has 2 divisors, whose sum is σ = 55838712. Its totient is φ = 55838710.

The previous prime is 55838677. The next prime is 55838749. The reversal of 55838711 is 11783855.

It is an a-pointer prime, because the next prime (55838749) can be obtained adding 55838711 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55838711 is a prime.

It is a super-2 number, since 2×55838711² = 6235923292283042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55838771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27919355 + 27919356.

It is an arithmetic number, because the mean of its divisors is an integer number (27919356).

Almost surely, 2^55838711 is an apocalyptic number.

55838711 is a deficient number, since it is larger than the sum of its proper divisors (1).

55838711 is an equidigital number, since it uses as much as digits as its factorization.

55838711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 38.

The square root of 55838711 is about 7472.5304281749. The cubic root of 55838711 is about 382.2185800755.

The spelling of 55838711 in words is "fifty-five million, eight hundred thirty-eight thousand, seven hundred eleven".