552776121 has 6 divisors (see below), whose sum is σ = 798454410. Its totient is φ = 368517408.

The previous prime is 552776117. The next prime is 552776123. The reversal of 552776121 is 121677255.

552776121 is a `hidden beast` number, since 5 + 527 + 7 + 6 + 121 = 666.

552776121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 519840000 + 32936121 = 22800^2 + 5739^2 .

It is not a de Polignac number, because 552776121 - 2² = 552776117 is a prime.

It is a super-2 number, since 2×552776121² = 611122879895613282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (552776123) 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, 30709776 + ... + 30709793.

It is an arithmetic number, because the mean of its divisors is an integer number (133075735).

Almost surely, 2^552776121 is an apocalyptic number.

It is an amenable number.

552776121 is a deficient number, since it is larger than the sum of its proper divisors (245678289).

552776121 is a wasteful number, since it uses less digits than its factorization.

552776121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61419575 (or 61419572 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The square root of 552776121 is about 23511.1913989912. The cubic root of 552776121 is about 820.6974638011.

The spelling of 552776121 in words is "five hundred fifty-two million, seven hundred seventy-six thousand, one hundred twenty-one".