55810330 has 16 divisors (see below), whose sum is σ = 101959200. Its totient is φ = 21990672.

The previous prime is 55810327. The next prime is 55810343. The reversal of 55810330 is 3301855.

It is a happy number.

55810330 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 2×55810330² = 6229585869417800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55810295 and 55810304.

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 7 ways as a sum of consecutive naturals, for example, 40980 + ... + 42319.

It is an arithmetic number, because the mean of its divisors is an integer number (6372450).

Almost surely, 2^55810330 is an apocalyptic number.

55810330 is a deficient number, since it is larger than the sum of its proper divisors (46148870).

55810330 is a wasteful number, since it uses less digits than its factorization.

55810330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83373.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 55810330 is about 7470.6311647678. The cubic root of 55810330 is about 382.1538126785.

The spelling of 55810330 in words is "fifty-five million, eight hundred ten thousand, three hundred thirty".