55583065 has 16 divisors (see below), whose sum is σ = 71486208. Its totient is φ = 41380416.

The previous prime is 55583051. The next prime is 55583069. The reversal of 55583065 is 56038555.

It is a cyclic number.

It is not a de Polignac number, because 55583065 - 2¹¹ = 55581017 is a prime.

It is a super-2 number, since 2×55583065² = 6178954229588450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (55583069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2277 + ... + 10786.

It is an arithmetic number, because the mean of its divisors is an integer number (4467888).

Almost surely, 2^55583065 is an apocalyptic number.

It is an amenable number.

55583065 is a deficient number, since it is larger than the sum of its proper divisors (15903143).

55583065 is a wasteful number, since it uses less digits than its factorization.

55583065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13128.

The product of its (nonzero) digits is 90000, while the sum is 37.

The square root of 55583065 is about 7455.4050862445. The cubic root of 55583065 is about 381.6343846976.

The spelling of 55583065 in words is "fifty-five million, five hundred eighty-three thousand, sixty-five".