550040101650 has 72 divisors (see below), whose sum is σ = 1591449377700. Its totient is φ = 135394485120.

The previous prime is 550040101631. The next prime is 550040101679. The reversal of 550040101650 is 56101040055.

It is a happy number.

550040101650 is a `hidden beast` number, since 5 + 5 + 0 + 0 + 4 + 0 + 1 + 0 + 1 + 650 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 232157257929 + 317882843721 = 481827^2 + 563811^2 .

It is a super-2 number, since 2×550040101650² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 47006125 + ... + 47017824.

Almost surely, 2^550040101650 is an apocalyptic number.

550040101650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

550040101650 is an abundant number, since it is smaller than the sum of its proper divisors (1041409276050).

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

550040101650 is a wasteful number, since it uses less digits than its factorization.

550040101650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94023980 (or 94023972 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The spelling of 550040101650 in words is "five hundred fifty billion, forty million, one hundred one thousand, six hundred fifty".