55805929 has 8 divisors (see below), whose sum is σ = 57119040. Its totient is φ = 54507600.

The previous prime is 55805903. The next prime is 55805941. The reversal of 55805929 is 92950855.

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 55805929 - 2⁷ = 55805801 is a prime.

It is a super-2 number, since 2×55805929² = 6228603423106082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55805969) 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, 4134 + ... + 11344.

It is an arithmetic number, because the mean of its divisors is an integer number (7139880).

Almost surely, 2^55805929 is an apocalyptic number.

It is an amenable number.

55805929 is a deficient number, since it is larger than the sum of its proper divisors (1313111).

55805929 is a wasteful number, since it uses less digits than its factorization.

55805929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7391.

The product of its (nonzero) digits is 162000, while the sum is 43.

The square root of 55805929 is about 7470.3366055353. The cubic root of 55805929 is about 382.1437673271.

The spelling of 55805929 in words is "fifty-five million, eight hundred five thousand, nine hundred twenty-nine".