55677565 has 8 divisors (see below), whose sum is σ = 66894048. Its totient is φ = 44488080.

The previous prime is 55677551. The next prime is 55677571. The reversal of 55677565 is 56577655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55677565 - 2⁷ = 55677437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1891 + ... + 10720.

It is an arithmetic number, because the mean of its divisors is an integer number (8361756).

Almost surely, 2^55677565 is an apocalyptic number.

It is an amenable number.

55677565 is a deficient number, since it is larger than the sum of its proper divisors (11216483).

55677565 is a wasteful number, since it uses less digits than its factorization.

55677565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13499.

The product of its digits is 1102500, while the sum is 46.

The square root of 55677565 is about 7461.7400785608. The cubic root of 55677565 is about 381.8505418444.

The spelling of 55677565 in words is "fifty-five million, six hundred seventy-seven thousand, five hundred sixty-five".