555252745 has 4 divisors (see below), whose sum is σ = 666303300. Its totient is φ = 444202192.

The previous prime is 555252743. The next prime is 555252757. The reversal of 555252745 is 547252555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 547252555 = 5 ⋅109450511.

It can be written as a sum of positive squares in 2 ways, for example, as 144096016 + 411156729 = 12004^2 + 20277^2 .

It is a cyclic number.

It is not a de Polignac number, because 555252745 - 2¹ = 555252743 is a prime.

It is a super-2 number, since 2×555252745² = 616611221660070050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 555252698 and 555252707.

It is not an unprimeable number, because it can be changed into a prime (555252743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55525270 + ... + 55525279.

It is an arithmetic number, because the mean of its divisors is an integer number (166575825).

Almost surely, 2^555252745 is an apocalyptic number.

It is an amenable number.

555252745 is a deficient number, since it is larger than the sum of its proper divisors (111050555).

555252745 is a wasteful number, since it uses less digits than its factorization.

555252745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111050554.

The product of its digits is 350000, while the sum is 40.

The square root of 555252745 is about 23563.8015820877. The cubic root of 555252745 is about 821.9213052891.

The spelling of 555252745 in words is "five hundred fifty-five million, two hundred fifty-two thousand, seven hundred forty-five".