55525027 has 2 divisors, whose sum is σ = 55525028. Its totient is φ = 55525026.

The previous prime is 55524983. The next prime is 55525033. The reversal of 55525027 is 72052555.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55525027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55525027.

It is not a weakly prime, because it can be changed into another prime (55525627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27762513 + 27762514.

It is an arithmetic number, because the mean of its divisors is an integer number (27762514).

Almost surely, 2^55525027 is an apocalyptic number.

55525027 is a deficient number, since it is larger than the sum of its proper divisors (1).

55525027 is an equidigital number, since it uses as much as digits as its factorization.

55525027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17500, while the sum is 31.

The square root of 55525027 is about 7451.5117258178. The cubic root of 55525027 is about 381.5015084335.

The spelling of 55525027 in words is "fifty-five million, five hundred twenty-five thousand, twenty-seven".