55015711 has 2 divisors, whose sum is σ = 55015712. Its totient is φ = 55015710.

The previous prime is 55015663. The next prime is 55015729. The reversal of 55015711 is 11751055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55015711 - 2¹¹ = 55013663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55015771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27507855 + 27507856.

It is an arithmetic number, because the mean of its divisors is an integer number (27507856).

Almost surely, 2^55015711 is an apocalyptic number.

55015711 is a deficient number, since it is larger than the sum of its proper divisors (1).

55015711 is an equidigital number, since it uses as much as digits as its factorization.

55015711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 875, while the sum is 25.

The square root of 55015711 is about 7417.2576468665. The cubic root of 55015711 is about 380.3314536506.

Adding to 55015711 its reverse (11751055), we get a palindrome (66766766).

It can be divided in two parts, 550 and 15711, that added together give a palindrome (16261).

The spelling of 55015711 in words is "fifty-five million, fifteen thousand, seven hundred eleven".