55580689 has 4 divisors (see below), whose sum is σ = 55609456. Its totient is φ = 55551924.

The previous prime is 55580683. The next prime is 55580711. The reversal of 55580689 is 98608555.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55580689 - 2¹⁷ = 55449617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55580683) 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, 11259 + ... + 15424.

It is an arithmetic number, because the mean of its divisors is an integer number (13902364).

Almost surely, 2^55580689 is an apocalyptic number.

It is an amenable number.

55580689 is a deficient number, since it is larger than the sum of its proper divisors (28767).

55580689 is a wasteful number, since it uses less digits than its factorization.

55580689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28766.

The product of its (nonzero) digits is 432000, while the sum is 46.

The square root of 55580689 is about 7455.2457370633. The cubic root of 55580689 is about 381.6289467330.

The spelling of 55580689 in words is "fifty-five million, five hundred eighty thousand, six hundred eighty-nine".