552972778893 has 6 divisors (see below), whose sum is σ = 798738458414. Its totient is φ = 368648519256.

The previous prime is 552972778877. The next prime is 552972778931. The reversal of 552972778893 is 398877279255.

552972778893 is a `hidden beast` number, since 5 + 529 + 7 + 2 + 7 + 7 + 8 + 8 + 93 = 666.

It can be written as a sum of positive squares in only one way, i.e., 539845806564 + 13126972329 = 734742^2 + 114573^2 .

It is not a de Polignac number, because 552972778893 - 2⁴ = 552972778877 is a prime.

It is a super-4 number, since 4×552972778893⁴ (a number of 48 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552972776893) 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, 30720709930 + ... + 30720709947.

Almost surely, 2^552972778893 is an apocalyptic number.

It is an amenable number.

552972778893 is a deficient number, since it is larger than the sum of its proper divisors (245765679521).

552972778893 is a wasteful number, since it uses less digits than its factorization.

552972778893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61441419883 (or 61441419880 counting only the distinct ones).

The product of its digits is 533433600, while the sum is 72.

The spelling of 552972778893 in words is "five hundred fifty-two billion, nine hundred seventy-two million, seven hundred seventy-eight thousand, eight hundred ninety-three".