5571391450 has 12 divisors (see below), whose sum is σ = 10362788190. Its totient is φ = 2228556560.

The previous prime is 5571391411. The next prime is 5571391457. The reversal of 5571391450 is 541931755.

It can be written as a sum of positive squares in 3 ways, for example, as 5082406681 + 488984769 = 71291^2 + 22113^2 .

It is not an unprimeable number, because it can be changed into a prime (5571391457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55713865 + ... + 55713964.

Almost surely, 2^5571391450 is an apocalyptic number.

5571391450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5571391450 is a deficient number, since it is larger than the sum of its proper divisors (4791396740).

5571391450 is a wasteful number, since it uses less digits than its factorization.

5571391450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111427841 (or 111427836 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 40.

The square root of 5571391450 is about 74641.7540656702. The cubic root of 5571391450 is about 1772.7788337921.

The spelling of 5571391450 in words is "five billion, five hundred seventy-one million, three hundred ninety-one thousand, four hundred fifty".