55567001 has 16 divisors (see below), whose sum is σ = 67478400. Its totient is φ = 44696448.

The previous prime is 55566997. The next prime is 55567009. The reversal of 55567001 is 10076555.

It is a cyclic number.

It is not a de Polignac number, because 55567001 - 2² = 55566997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55567009) 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, 12581 + ... + 16413.

It is an arithmetic number, because the mean of its divisors is an integer number (4217400).

Almost surely, 2^55567001 is an apocalyptic number.

It is an amenable number.

55567001 is a deficient number, since it is larger than the sum of its proper divisors (11911399).

55567001 is a wasteful number, since it uses less digits than its factorization.

55567001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3968.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 55567001 is about 7454.3276692134. The cubic root of 55567001 is about 381.5976159117.

The spelling of 55567001 in words is "fifty-five million, five hundred sixty-seven thousand, one".