55021652 has 24 divisors (see below), whose sum is σ = 113594880. Its totient is φ = 22819680.

The previous prime is 55021649. The next prime is 55021679. The reversal of 55021652 is 25612055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30827 + ... + 32562.

It is an arithmetic number, because the mean of its divisors is an integer number (4733120).

Almost surely, 2^55021652 is an apocalyptic number.

It is an amenable number.

55021652 is an abundant number, since it is smaller than the sum of its proper divisors (58573228).

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

55021652 is a wasteful number, since it uses less digits than its factorization.

55021652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63431 (or 63429 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 55021652 is about 7417.6581209975. The cubic root of 55021652 is about 380.3451434845.

The spelling of 55021652 in words is "fifty-five million, twenty-one thousand, six hundred fifty-two".