552686749 has 2 divisors, whose sum is σ = 552686750. Its totient is φ = 552686748.

The previous prime is 552686747. The next prime is 552686753. The reversal of 552686749 is 947686255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 403407225 + 149279524 = 20085^2 + 12218^2 .

It is a cyclic number.

It is not a de Polignac number, because 552686749 - 2¹ = 552686747 is a prime.

Together with 552686747, it forms a pair of twin primes.

It is equal to p_28979089 and since 552686749 and 28979089 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 552686696 and 552686705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552686741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276343374 + 276343375.

It is an arithmetic number, because the mean of its divisors is an integer number (276343375).

Almost surely, 2^552686749 is an apocalyptic number.

It is an amenable number.

552686749 is a deficient number, since it is larger than the sum of its proper divisors (1).

552686749 is an equidigital number, since it uses as much as digits as its factorization.

552686749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 52.

The square root of 552686749 is about 23509.2906953825. The cubic root of 552686749 is about 820.6532317125.

The spelling of 552686749 in words is "five hundred fifty-two million, six hundred eighty-six thousand, seven hundred forty-nine".