55021052 has 6 divisors (see below), whose sum is σ = 96286848. Its totient is φ = 27510524.

The previous prime is 55021039. The next prime is 55021069. The reversal of 55021052 is 25012055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6877628 + ... + 6877635.

It is an arithmetic number, because the mean of its divisors is an integer number (16047808).

Almost surely, 2^55021052 is an apocalyptic number.

It is an amenable number.

55021052 is a deficient number, since it is larger than the sum of its proper divisors (41265796).

55021052 is a wasteful number, since it uses less digits than its factorization.

55021052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13755267 (or 13755265 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 55021052 is about 7417.6176768556. The cubic root of 55021052 is about 380.3437609505.

The spelling of 55021052 in words is "fifty-five million, twenty-one thousand, fifty-two".