549472757 has 2 divisors, whose sum is σ = 549472758. Its totient is φ = 549472756.

The previous prime is 549472751. The next prime is 549472769. The reversal of 549472757 is 757274945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 547606801 + 1865956 = 23401^2 + 1366^2 .

It is a cyclic number.

It is not a de Polignac number, because 549472757 - 2¹⁴ = 549456373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549472751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274736378 + 274736379.

It is an arithmetic number, because the mean of its divisors is an integer number (274736379).

Almost surely, 2^549472757 is an apocalyptic number.

It is an amenable number.

549472757 is a deficient number, since it is larger than the sum of its proper divisors (1).

549472757 is an equidigital number, since it uses as much as digits as its factorization.

549472757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2469600, while the sum is 50.

The square root of 549472757 is about 23440.8352453576. The cubic root of 549472757 is about 819.0593799860.

The spelling of 549472757 in words is "five hundred forty-nine million, four hundred seventy-two thousand, seven hundred fifty-seven".