552618385 has 8 divisors (see below), whose sum is σ = 723427776. Its totient is φ = 401904240.

The previous prime is 552618361. The next prime is 552618397. The reversal of 552618385 is 583816255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-552618385 is a prime.

It is a Duffinian 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, 5023749 + ... + 5023858.

It is an arithmetic number, because the mean of its divisors is an integer number (90428472).

Almost surely, 2^552618385 is an apocalyptic number.

552618385 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

552618385 is a deficient number, since it is larger than the sum of its proper divisors (170809391).

552618385 is a wasteful number, since it uses less digits than its factorization.

552618385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10047623.

The product of its digits is 288000, while the sum is 43.

The square root of 552618385 is about 23507.8366720547. The cubic root of 552618385 is about 820.6193937076.

The spelling of 552618385 in words is "five hundred fifty-two million, six hundred eighteen thousand, three hundred eighty-five".