5497255640 has 64 divisors (see below), whose sum is σ = 12508745760. Its totient is φ = 2174126080.

The previous prime is 5497255639. The next prime is 5497255651. The reversal of 5497255640 is 465527945.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2218082 + ... + 2220558.

Almost surely, 2^5497255640 is an apocalyptic number.

It is an amenable number.

5497255640 is an abundant number, since it is smaller than the sum of its proper divisors (7011490120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5497255640 is a wasteful number, since it uses less digits than its factorization.

5497255640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092 (or 3088 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 47.

The square root of 5497255640 is about 74143.4800909696. The cubic root of 5497255640 is about 1764.8805264918.

The spelling of 5497255640 in words is "five billion, four hundred ninety-seven million, two hundred fifty-five thousand, six hundred forty".