55809735 has 8 divisors (see below), whose sum is σ = 89295600. Its totient is φ = 29765184.

The previous prime is 55809709. The next prime is 55809773. The reversal of 55809735 is 53790855.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55809735 - 2¹² = 55805639 is a prime.

It is a super-2 number, since 2×55809735² = 6229453041540450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1860310 + ... + 1860339.

It is an arithmetic number, because the mean of its divisors is an integer number (11161950).

Almost surely, 2^55809735 is an apocalyptic number.

55809735 is a deficient number, since it is larger than the sum of its proper divisors (33485865).

55809735 is a wasteful number, since it uses less digits than its factorization.

55809735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3720657.

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 55809735 is about 7470.5913420559. The cubic root of 55809735 is about 382.1524546126.

The spelling of 55809735 in words is "fifty-five million, eight hundred nine thousand, seven hundred thirty-five".