55805610 has 48 divisors (see below), whose sum is σ = 155804256. Its totient is φ = 12755232.

The previous prime is 55805609. The next prime is 55805621. The reversal of 55805610 is 1650855.

It is a happy number.

55805610 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55805610² = 6228532214944200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17512 + ... + 20451.

It is an arithmetic number, because the mean of its divisors is an integer number (3245922).

Almost surely, 2^55805610 is an apocalyptic number.

55805610 is an abundant number, since it is smaller than the sum of its proper divisors (99998646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55805610 is a wasteful number, since it uses less digits than its factorization.

55805610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37987 (or 37980 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 55805610 is about 7470.3152543919. The cubic root of 55805610 is about 382.1430391840.

The spelling of 55805610 in words is "fifty-five million, eight hundred five thousand, six hundred ten".