553521025 has 12 divisors (see below), whose sum is σ = 687541932. Its totient is φ = 442058240.

The previous prime is 553521019. The next prime is 553521047. The reversal of 553521025 is 520125355.

It can be written as a sum of positive squares in 6 ways, for example, as 1296 + 553519729 = 36^2 + 23527^2 .

It is a de Polignac number, because none of the positive numbers 2^k-553521025 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 553520984 and 553521002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3844 + ... + 33493.

It is an arithmetic number, because the mean of its divisors is an integer number (57295161).

Almost surely, 2^553521025 is an apocalyptic number.

It is an amenable number.

553521025 is a deficient number, since it is larger than the sum of its proper divisors (134020907).

553521025 is a wasteful number, since it uses less digits than its factorization.

553521025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37940 (or 37935 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 553521025 is about 23527.0275428070. The cubic root of 553521025 is about 821.0659471694.

The spelling of 553521025 in words is "five hundred fifty-three million, five hundred twenty-one thousand, twenty-five".