55080887 has 2 divisors, whose sum is σ = 55080888. Its totient is φ = 55080886.

The previous prime is 55080881. The next prime is 55080911. The reversal of 55080887 is 78808055.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55080887 - 2²⁰ = 54032311 is a prime.

It is a super-2 number, since 2×55080887² = 6067808225413538, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55080881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27540443 + 27540444.

It is an arithmetic number, because the mean of its divisors is an integer number (27540444).

Almost surely, 2^55080887 is an apocalyptic number.

55080887 is a deficient number, since it is larger than the sum of its proper divisors (1).

55080887 is an equidigital number, since it uses as much as digits as its factorization.

55080887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 89600, while the sum is 41.

The square root of 55080887 is about 7421.6498839544. The cubic root of 55080887 is about 380.4815847072.

The spelling of 55080887 in words is "fifty-five million, eighty thousand, eight hundred eighty-seven".