55805032 has 32 divisors (see below), whose sum is σ = 107308800. Its totient is φ = 27197824.

The previous prime is 55805023. The next prime is 55805039. The reversal of 55805032 is 23050855.

It is a super-2 number, since 2×55805032² = 6228403193042048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55805039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64233 + ... + 65095.

It is an arithmetic number, because the mean of its divisors is an integer number (3353400).

Almost surely, 2^55805032 is an apocalyptic number.

It is an amenable number.

55805032 is a deficient number, since it is larger than the sum of its proper divisors (51503768).

55805032 is a wasteful number, since it uses less digits than its factorization.

55805032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065 (or 1061 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 55805032 is about 7470.2765678387. The cubic root of 55805032 is about 382.1417198457.

Adding to 55805032 its reverse (23050855), we get a palindrome (78855887).

The spelling of 55805032 in words is "fifty-five million, eight hundred five thousand, thirty-two".