55856567 has 8 divisors (see below), whose sum is σ = 60298224. Its totient is φ = 51435648.

The previous prime is 55856551. The next prime is 55856573. The reversal of 55856567 is 76565855.

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 55856567 - 2⁴ = 55856551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55856587) 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, 668 + ... + 10590.

It is an arithmetic number, because the mean of its divisors is an integer number (7537278).

Almost surely, 2^55856567 is an apocalyptic number.

55856567 is a deficient number, since it is larger than the sum of its proper divisors (4441657).

55856567 is a wasteful number, since it uses less digits than its factorization.

55856567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10369.

The product of its digits is 1260000, while the sum is 47.

The square root of 55856567 is about 7473.7251086724. The cubic root of 55856567 is about 382.2593174510.

The spelling of 55856567 in words is "fifty-five million, eight hundred fifty-six thousand, five hundred sixty-seven".