552544215642 has 12 divisors (see below), whose sum is σ = 1197179133930. Its totient is φ = 184181405208.

The previous prime is 552544215617. The next prime is 552544215649. The reversal of 552544215642 is 246512445255.

552544215642 is a `hidden beast` number, since 5 + 5 + 25 + 44 + 21 + 564 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 444223583001 + 108320632641 = 666501^2 + 329121^2 .

It is a super-2 number, since 2×552544215642² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (552544215649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15348450417 + ... + 15348450452.

Almost surely, 2^552544215642 is an apocalyptic number.

552544215642 is an abundant number, since it is smaller than the sum of its proper divisors (644634918288).

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

552544215642 is a wasteful number, since it uses less digits than its factorization.

552544215642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30696900877 (or 30696900874 counting only the distinct ones).

The product of its digits is 1920000, while the sum is 45.

The spelling of 552544215642 in words is "five hundred fifty-two billion, five hundred forty-four million, two hundred fifteen thousand, six hundred forty-two".