552749738 has 4 divisors (see below), whose sum is σ = 829124610. Its totient is φ = 276374868.

The previous prime is 552749723. The next prime is 552749749. The reversal of 552749738 is 837947255.

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

It can be written as a sum of positive squares in only one way, i.e., 431683729 + 121066009 = 20777^2 + 11003^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 138187433 + ... + 138187436.

Almost surely, 2^552749738 is an apocalyptic number.

552749738 is a deficient number, since it is larger than the sum of its proper divisors (276374872).

552749738 is a wasteful number, since it uses less digits than its factorization.

552749738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276374871.

The product of its digits is 2116800, while the sum is 50.

The square root of 552749738 is about 23510.6303190706. The cubic root of 552749738 is about 820.6844067937.

The spelling of 552749738 in words is "five hundred fifty-two million, seven hundred forty-nine thousand, seven hundred thirty-eight".