5549496457 has 4 divisors (see below), whose sum is σ = 5551001236. Its totient is φ = 5547991680.

The previous prime is 5549496431. The next prime is 5549496481. The reversal of 5549496457 is 7546949455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7546949455 = 5 ⋅1509389891.

It can be written as a sum of positive squares in 2 ways, for example, as 2178648976 + 3370847481 = 46676^2 + 58059^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5549496457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5549496487) 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, 746844 + ... + 754237.

It is an arithmetic number, because the mean of its divisors is an integer number (1387750309).

Almost surely, 2^5549496457 is an apocalyptic number.

It is an amenable number.

5549496457 is a deficient number, since it is larger than the sum of its proper divisors (1504779).

5549496457 is a wasteful number, since it uses less digits than its factorization.

5549496457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504778.

The product of its digits is 27216000, while the sum is 58.

The square root of 5549496457 is about 74494.9424927626. The cubic root of 5549496457 is about 1770.4535057840.

The spelling of 5549496457 in words is "five billion, five hundred forty-nine million, four hundred ninety-six thousand, four hundred fifty-seven".