552021666757 has 8 divisors (see below), whose sum is σ = 608167886112. Its totient is φ = 496869186000.

The previous prime is 552021666739. The next prime is 552021666769. The reversal of 552021666757 is 757666120255.

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-552021666757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552021666787) 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, 248433483 + ... + 248435704.

It is an arithmetic number, because the mean of its divisors is an integer number (76020985764).

Almost surely, 2^552021666757 is an apocalyptic number.

It is an amenable number.

552021666757 is a deficient number, since it is larger than the sum of its proper divisors (56146219355).

552021666757 is a wasteful number, since it uses less digits than its factorization.

552021666757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496869299.

The product of its (nonzero) digits is 5292000, while the sum is 52.

The spelling of 552021666757 in words is "five hundred fifty-two billion, twenty-one million, six hundred sixty-six thousand, seven hundred fifty-seven".