55957565 has 8 divisors (see below), whose sum is σ = 70683360. Its totient is φ = 42409872.

The previous prime is 55957541. The next prime is 55957607. The reversal of 55957565 is 56575955.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 55957565 - 2¹⁰ = 55956541 is a prime.

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, 294419 + ... + 294608.

It is an arithmetic number, because the mean of its divisors is an integer number (8835420).

Almost surely, 2^55957565 is an apocalyptic number.

It is an amenable number.

55957565 is a deficient number, since it is larger than the sum of its proper divisors (14725795).

55957565 is a wasteful number, since it uses less digits than its factorization.

55957565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589051.

The product of its digits is 1181250, while the sum is 47.

The square root of 55957565 is about 7480.4789285179. The cubic root of 55957565 is about 382.4895749505.

The spelling of 55957565 in words is "fifty-five million, nine hundred fifty-seven thousand, five hundred sixty-five".