552406160021 has 8 divisors (see below), whose sum is σ = 565732937088. Its totient is φ = 539233450000.

The previous prime is 552406159909. The next prime is 552406160039. The reversal of 552406160021 is 120061604255.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-552406160021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 552406160021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552406160071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38509505 + ... + 38523846.

It is an arithmetic number, because the mean of its divisors is an integer number (70716617136).

Almost surely, 2^552406160021 is an apocalyptic number.

It is an amenable number.

552406160021 is a deficient number, since it is larger than the sum of its proper divisors (13326777067).

552406160021 is a wasteful number, since it uses less digits than its factorization.

552406160021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77033523.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 552406160021 its reverse (120061604255), we get a palindrome (672467764276).

The spelling of 552406160021 in words is "five hundred fifty-two billion, four hundred six million, one hundred sixty thousand, twenty-one".