5566401506650 has 48 divisors (see below), whose sum is σ = 10912826489760. Its totient is φ = 2106586440000.

The previous prime is 5566401506641. The next prime is 5566401506657. The reversal of 5566401506650 is 566051046655.

It is a junction number, because it is equal to n+sod(n) for n = 5566401506594 and 5566401506603.

It is not an unprimeable number, because it can be changed into a prime (5566401506657) 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, 3150976 + ... + 4589275.

It is an arithmetic number, because the mean of its divisors is an integer number (227350551870).

Almost surely, 2^{5566401506650} is an apocalyptic number.

5566401506650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5566401506650 is a deficient number, since it is larger than the sum of its proper divisors (5346424983110).

5566401506650 is a wasteful number, since it uses less digits than its factorization.

5566401506650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7741039 (or 7741034 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 49.

The spelling of 5566401506650 in words is "five trillion, five hundred sixty-six billion, four hundred one million, five hundred six thousand, six hundred fifty".