55020236 has 6 divisors (see below), whose sum is σ = 96285420. Its totient is φ = 27510116.

The previous prime is 55020223. The next prime is 55020253. The reversal of 55020236 is 63202055.

It is a happy number.

55020236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 16.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6877526 + ... + 6877533.

It is an arithmetic number, because the mean of its divisors is an integer number (16047570).

Almost surely, 2^55020236 is an apocalyptic number.

It is an amenable number.

55020236 is a deficient number, since it is larger than the sum of its proper divisors (41265184).

55020236 is a wasteful number, since it uses less digits than its factorization.

55020236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13755063 (or 13755061 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 55020236 is about 7417.5626724686. The cubic root of 55020236 is about 380.3418806881.

The spelling of 55020236 in words is "fifty-five million, twenty thousand, two hundred thirty-six".