552531051646 has 32 divisors (see below), whose sum is σ = 1007027209728. Its totient is φ = 222229756320.

The previous prime is 552531051637. The next prime is 552531051649. The reversal of 552531051646 is 646150135255.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552531051649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16171000 + ... + 16205131.

It is an arithmetic number, because the mean of its divisors is an integer number (31469600304).

Almost surely, 2^552531051646 is an apocalyptic number.

552531051646 is a deficient number, since it is larger than the sum of its proper divisors (454496158082).

552531051646 is a wasteful number, since it uses less digits than its factorization.

552531051646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32376216.

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 552531051646 in words is "five hundred fifty-two billion, five hundred thirty-one million, fifty-one thousand, six hundred forty-six".