55413565 has 8 divisors (see below), whose sum is σ = 66538080. Its totient is φ = 44302992.

The previous prime is 55413563. The next prime is 55413599. The reversal of 55413565 is 56531455.

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 55413565 - 2¹ = 55413563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55413565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55413563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10042 + ... + 14548.

It is an arithmetic number, because the mean of its divisors is an integer number (8317260).

Almost surely, 2^55413565 is an apocalyptic number.

It is an amenable number.

55413565 is a deficient number, since it is larger than the sum of its proper divisors (11124515).

55413565 is a wasteful number, since it uses less digits than its factorization.

55413565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6971.

The product of its digits is 45000, while the sum is 34.

The square root of 55413565 is about 7444.0288150974. The cubic root of 55413565 is about 381.2460596207.

The spelling of 55413565 in words is "fifty-five million, four hundred thirteen thousand, five hundred sixty-five".