55020310 has 16 divisors (see below), whose sum is σ = 99171216. Its totient is φ = 21978208.

The previous prime is 55020299. The next prime is 55020311. The reversal of 55020310 is 1302055.

55020310 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 2×55020310² = 6054469024992200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55020311) by changing a digit.

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, 4944 + ... + 11596.

It is an arithmetic number, because the mean of its divisors is an integer number (6198201).

Almost surely, 2^55020310 is an apocalyptic number.

55020310 is a deficient number, since it is larger than the sum of its proper divisors (44150906).

55020310 is a wasteful number, since it uses less digits than its factorization.

55020310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7487.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 55020310 is about 7417.5676606284. The cubic root of 55020310 is about 380.3420512029.

Adding to 55020310 its reverse (1302055), we get a palindrome (56322365).

The spelling of 55020310 in words is "fifty-five million, twenty thousand, three hundred ten".