552171620142 has 96 divisors (see below), whose sum is σ = 1307764348800. Its totient is φ = 174131879328.

The previous prime is 552171620107. The next prime is 552171620159. The reversal of 552171620142 is 241026171255.

552171620142 is a `hidden beast` number, since 5 + 5 + 2 + 17 + 1 + 620 + 14 + 2 = 666.

It is a super-2 number, since 2×552171620142² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 552171620097 and 552171620106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6783468 + ... + 6864384.

It is an arithmetic number, because the mean of its divisors is an integer number (13622545300).

Almost surely, 2^552171620142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552171620142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653882174400).

552171620142 is an abundant number, since it is smaller than the sum of its proper divisors (755592728658).

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

552171620142 is a wasteful number, since it uses less digits than its factorization.

552171620142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81692 (or 81680 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

Adding to 552171620142 its reverse (241026171255), we get a palindrome (793197791397).

The spelling of 552171620142 in words is "five hundred fifty-two billion, one hundred seventy-one million, six hundred twenty thousand, one hundred forty-two".