55010389 has 12 divisors (see below), whose sum is σ = 64233984. Its totient is φ = 46973304.

The previous prime is 55010387. The next prime is 55010393. The reversal of 55010389 is 98301055.

55010389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55010389 - 2¹ = 55010387 is a prime.

It is a super-2 number, since 2×55010389² = 6052285795862642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55010389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55010387) 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 11 ways as a sum of consecutive naturals, for example, 11884 + ... + 15850.

It is an arithmetic number, because the mean of its divisors is an integer number (5352832).

Almost surely, 2^55010389 is an apocalyptic number.

It is an amenable number.

55010389 is a deficient number, since it is larger than the sum of its proper divisors (9223595).

55010389 is a wasteful number, since it uses less digits than its factorization.

55010389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4264 (or 4257 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 55010389 is about 7416.8988802599. The cubic root of 55010389 is about 380.3191893402.

The spelling of 55010389 in words is "fifty-five million, ten thousand, three hundred eighty-nine".