5645506877650 has 48 divisors (see below), whose sum is σ = 10508252756904. Its totient is φ = 2256566906880.

The previous prime is 5645506877629. The next prime is 5645506877657. The reversal of 5645506877650 is 567786055465.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 168470023401 + 5477036854249 = 410451^2 + 2340307^2 .

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (5645506877657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 497264374 + ... + 497275726.

Almost surely, 2^{5645506877650} is an apocalyptic number.

5645506877650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5645506877650 is a deficient number, since it is larger than the sum of its proper divisors (4862745879254).

5645506877650 is a wasteful number, since it uses less digits than its factorization.

5645506877650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17695 (or 17690 counting only the distinct ones).

The product of its (nonzero) digits is 211680000, while the sum is 64.

The spelling of 5645506877650 in words is "five trillion, six hundred forty-five billion, five hundred six million, eight hundred seventy-seven thousand, six hundred fifty".