55080961 has 4 divisors (see below), whose sum is σ = 59317972. Its totient is φ = 50843952.

The previous prime is 55080953. The next prime is 55080973. The reversal of 55080961 is 16908055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3686400 + 51394561 = 1920^2 + 7169^2 .

It is a cyclic number.

It is not a de Polignac number, because 55080961 - 2³ = 55080953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55080911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2118486 + ... + 2118511.

It is an arithmetic number, because the mean of its divisors is an integer number (14829493).

Almost surely, 2^55080961 is an apocalyptic number.

It is an amenable number.

55080961 is a deficient number, since it is larger than the sum of its proper divisors (4237011).

55080961 is a wasteful number, since it uses less digits than its factorization.

55080961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4237010.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 55080961 is about 7421.6548693671. The cubic root of 55080961 is about 380.4817550967.

The spelling of 55080961 in words is "fifty-five million, eighty thousand, nine hundred sixty-one".