552521028 has 12 divisors (see below), whose sum is σ = 1289215760. Its totient is φ = 184173672.

The previous prime is 552520939. The next prime is 552521041. The reversal of 552521028 is 820125255.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 552520986 and 552521004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23021698 + ... + 23021721.

Almost surely, 2^552521028 is an apocalyptic number.

It is an amenable number.

552521028 is an abundant number, since it is smaller than the sum of its proper divisors (736694732).

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

552521028 is a wasteful number, since it uses less digits than its factorization.

552521028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46043426 (or 46043424 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 552521028 is about 23505.7658458515. The cubic root of 552521028 is about 820.5712002727.

It can be divided in two parts, 55252 and 1028, that added together give a triangular number (56280 = T₃₃₅).

The spelling of 552521028 in words is "five hundred fifty-two million, five hundred twenty-one thousand, twenty-eight".