552764381 has 4 divisors (see below), whose sum is σ = 595284732. Its totient is φ = 510244032.

The previous prime is 552764369. The next prime is 552764383. The reversal of 552764381 is 183467255.

552764381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 279391225 + 273373156 = 16715^2 + 16534^2 .

It is a cyclic number.

It is not a de Polignac number, because 552764381 - 2¹⁰ = 552763357 is a prime.

It is a super-2 number, since 2×552764381² = 611096921804626322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552764383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21260156 + ... + 21260181.

It is an arithmetic number, because the mean of its divisors is an integer number (148821183).

Almost surely, 2^552764381 is an apocalyptic number.

It is an amenable number.

552764381 is a deficient number, since it is larger than the sum of its proper divisors (42520351).

552764381 is a wasteful number, since it uses less digits than its factorization.

552764381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42520350.

The product of its digits is 201600, while the sum is 41.

The square root of 552764381 is about 23510.9417293310. The cubic root of 552764381 is about 820.6916536994.

The spelling of 552764381 in words is "five hundred fifty-two million, seven hundred sixty-four thousand, three hundred eighty-one".