55064600 has 24 divisors (see below), whose sum is σ = 128025660. Its totient is φ = 22025760.

The previous prime is 55064593. The next prime is 55064609. The reversal of 55064600 is 646055.

It is a super-2 number, since 2×55064600² = 6064220346320000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55064600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55064609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137462 + ... + 137861.

Almost surely, 2^55064600 is an apocalyptic number.

55064600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55064600 is an abundant number, since it is smaller than the sum of its proper divisors (72961060).

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

55064600 is a wasteful number, since it uses less digits than its factorization.

55064600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275339 (or 275330 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 55064600 is about 7420.5525400741. The cubic root of 55064600 is about 380.4440791718. Note that the first 3 decimals are identical.

It can be divided in two parts, 5 and 5064600, that added together give a palindrome (5064605).

The spelling of 55064600 in words is "fifty-five million, sixty-four thousand, six hundred".