5590491656 has 8 divisors (see below), whose sum is σ = 10482171870. Its totient is φ = 2795245824.

The previous prime is 5590491629. The next prime is 5590491659. The reversal of 5590491656 is 6561940955.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5148062500 + 442429156 = 71750^2 + 21034^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (5590491659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349405721 + ... + 349405736.

Almost surely, 2^5590491656 is an apocalyptic number.

It is an amenable number.

5590491656 is a deficient number, since it is larger than the sum of its proper divisors (4891680214).

5590491656 is a wasteful number, since it uses less digits than its factorization.

5590491656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698811463 (or 698811459 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 50.

The square root of 5590491656 is about 74769.5904495939. The cubic root of 5590491656 is about 1774.8023749824.

The spelling of 5590491656 in words is "five billion, five hundred ninety million, four hundred ninety-one thousand, six hundred fifty-six".