55088549 has 2 divisors, whose sum is σ = 55088550. Its totient is φ = 55088548.

The previous prime is 55088521. The next prime is 55088557. The reversal of 55088549 is 94588055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38130625 + 16957924 = 6175^2 + 4118^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55088549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55088849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27544274 + 27544275.

It is an arithmetic number, because the mean of its divisors is an integer number (27544275).

Almost surely, 2^55088549 is an apocalyptic number.

It is an amenable number.

55088549 is a deficient number, since it is larger than the sum of its proper divisors (1).

55088549 is an equidigital number, since it uses as much as digits as its factorization.

55088549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 44.

The square root of 55088549 is about 7422.1660585034. The cubic root of 55088549 is about 380.4992261245.

The spelling of 55088549 in words is "fifty-five million, eighty-eight thousand, five hundred forty-nine".