55025223 has 16 divisors (see below), whose sum is σ = 83517696. Its totient is φ = 31898240.

The previous prime is 55025221. The next prime is 55025231. The reversal of 55025223 is 32252055.

It is not a de Polignac number, because 55025223 - 2¹ = 55025221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55025193 and 55025202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55025221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35490 + ... + 37007.

It is an arithmetic number, because the mean of its divisors is an integer number (5219856).

Almost surely, 2^55025223 is an apocalyptic number.

55025223 is a deficient number, since it is larger than the sum of its proper divisors (28492473).

55025223 is a wasteful number, since it uses less digits than its factorization.

55025223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72534.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 55025223 is about 7417.8988264872. The cubic root of 55025223 is about 380.3533716582.

Adding to 55025223 its reverse (32252055), we get a palindrome (87277278).

The spelling of 55025223 in words is "fifty-five million, twenty-five thousand, two hundred twenty-three".