5497557945 has 32 divisors (see below), whose sum is σ = 10100782080. Its totient is φ = 2525192640.

The previous prime is 5497557883. The next prime is 5497557997.

It is a happy number.

5497557945 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5497557945 - 2¹⁷ = 5497426873 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 873669 + ... + 879938.

It is an arithmetic number, because the mean of its divisors is an integer number (315649440).

Almost surely, 2^5497557945 is an apocalyptic number.

5497557945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5497557945 is a deficient number, since it is larger than the sum of its proper divisors (4603224135).

5497557945 is a wasteful number, since it uses less digits than its factorization.

5497557945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753645.

The product of its digits is 39690000, while the sum is 60.

The square root of 5497557945 is about 74145.5187115176. The cubic root of 5497557945 is about 1764.9128773266.

The spelling of 5497557945 in words is "five billion, four hundred ninety-seven million, five hundred fifty-seven thousand, nine hundred forty-five".