552177461509 has 4 divisors (see below), whose sum is σ = 571218063660. Its totient is φ = 533136859360.

The previous prime is 552177461449. The next prime is 552177461527. The reversal of 552177461509 is 905164771255.

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 443835764100 + 108341697409 = 666210^2 + 329153^2 .

It is a cyclic number.

It is not a de Polignac number, because 552177461509 - 2⁹ = 552177460997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552177461599) 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, 9520301032 + ... + 9520301089.

It is an arithmetic number, because the mean of its divisors is an integer number (142804515915).

Almost surely, 2^552177461509 is an apocalyptic number.

It is an amenable number.

552177461509 is a deficient number, since it is larger than the sum of its proper divisors (19040602151).

552177461509 is a wasteful number, since it uses less digits than its factorization.

552177461509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19040602150.

The product of its (nonzero) digits is 2646000, while the sum is 52.

The spelling of 552177461509 in words is "five hundred fifty-two billion, one hundred seventy-seven million, four hundred sixty-one thousand, five hundred nine".