55066430 has 16 divisors (see below), whose sum is σ = 99205344. Its totient is φ = 22007520.

The previous prime is 55066421. The next prime is 55066441. The reversal of 55066430 is 3466055.

It is a junction number, because it is equal to n+sod(n) for n = 55066393 and 55066402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18335 + ... + 21125.

It is an arithmetic number, because the mean of its divisors is an integer number (6200334).

Almost surely, 2^55066430 is an apocalyptic number.

55066430 is a deficient number, since it is larger than the sum of its proper divisors (44138914).

55066430 is a wasteful number, since it uses less digits than its factorization.

55066430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4771.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 55066430 is about 7420.6758452313. The cubic root of 55066430 is about 380.4482936457.

The spelling of 55066430 in words is "fifty-five million, sixty-six thousand, four hundred thirty".