5497997945 has 16 divisors (see below), whose sum is σ = 7217793792. Its totient is φ = 3987202560.

The previous prime is 5497997941. The next prime is 5497997959.

5497997945 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5497997945 - 2² = 5497997941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5497997941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122177 + ... + 161006.

It is an arithmetic number, because the mean of its divisors is an integer number (451112112).

Almost surely, 2^5497997945 is an apocalyptic number.

5497997945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5497997945 is a deficient number, since it is larger than the sum of its proper divisors (1719795847).

5497997945 is a wasteful number, since it uses less digits than its factorization.

5497997945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283552.

The product of its digits is 128595600, while the sum is 68.

The square root of 5497997945 is about 74148.4857903383. The cubic root of 5497997945 is about 1764.9599613203.

The spelling of 5497997945 in words is "five billion, four hundred ninety-seven million, nine hundred ninety-seven thousand, nine hundred forty-five".