1065006550 has 24 divisors (see below), whose sum is σ = 2044815552. Its totient is φ = 412260000.

The previous prime is 1065006533. The next prime is 1065006571. The reversal of 1065006550 is 556005601.

It is a super-2 number, since 2×1065006550² = 2268477903085805000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342001 + ... + 345100.

It is an arithmetic number, because the mean of its divisors is an integer number (85200648).

Almost surely, 2^1065006550 is an apocalyptic number.

1065006550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1065006550 is a deficient number, since it is larger than the sum of its proper divisors (979809002).

1065006550 is a wasteful number, since it uses less digits than its factorization.

1065006550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687144 (or 687139 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 1065006550 is about 32634.4380984260. The cubic root of 1065006550 is about 1021.2155666861.

It can be divided in two parts, 106500 and 6550, that added together give a triangular number (113050 = T₄₇₅).

The spelling of 1065006550 in words is "one billion, sixty-five million, six thousand, five hundred fifty".