552388761 has 8 divisors (see below), whose sum is σ = 818353760. Its totient is φ = 368259156.

The previous prime is 552388757. The next prime is 552388787. The reversal of 552388761 is 167883255.

552388761 is a `hidden beast` number, since 552 + 38 + 8 + 7 + 61 = 666.

It is not a de Polignac number, because 552388761 - 2² = 552388757 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552388561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10229395 + ... + 10229448.

It is an arithmetic number, because the mean of its divisors is an integer number (102294220).

Almost surely, 2^552388761 is an apocalyptic number.

It is an amenable number.

552388761 is a deficient number, since it is larger than the sum of its proper divisors (265964999).

552388761 is a wasteful number, since it uses less digits than its factorization.

552388761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20458852 (or 20458846 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 552388761 is about 23502.9521762693. The cubic root of 552388761 is about 820.5057167000.

The spelling of 552388761 in words is "five hundred fifty-two million, three hundred eighty-eight thousand, seven hundred sixty-one".