552257604 has 18 divisors (see below), whose sum is σ = 1395984590. Its totient is φ = 184085856.

The previous prime is 552257599. The next prime is 552257611. The reversal of 552257604 is 406752255.

It can be written as a sum of positive squares in only one way, i.e., 376748100 + 175509504 = 19410^2 + 13248^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×552257604² = 609976922351641632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 15340489 = 552257604 / (5 + 5 + 2 + 2 + 5 + 7 + 6 + 0 + 4).

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 5 ways as a sum of consecutive naturals, for example, 7670209 + ... + 7670280.

Almost surely, 2^552257604 is an apocalyptic number.

It is an amenable number.

552257604 is an abundant number, since it is smaller than the sum of its proper divisors (843726986).

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

552257604 is a wasteful number, since it uses less digits than its factorization.

552257604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15340499 (or 15340494 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 552257604 is about 23500.1617866771. The cubic root of 552257604 is about 820.4407723502.

The spelling of 552257604 in words is "five hundred fifty-two million, two hundred fifty-seven thousand, six hundred four".