55110501650 has 24 divisors (see below), whose sum is σ = 102511960020. Its totient is φ = 22042818560.

The previous prime is 55110501643. The next prime is 55110501659. The reversal of 55110501650 is 5610501155.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 144168049 + 54966333601 = 12007^2 + 234449^2 .

It is a super-2 number, since 2×55110501650² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55110501659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1226786 + ... + 1270914.

Almost surely, 2^55110501650 is an apocalyptic number.

55110501650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55110501650 is a deficient number, since it is larger than the sum of its proper divisors (47401458370).

55110501650 is a wasteful number, since it uses less digits than its factorization.

55110501650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69118 (or 69113 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 55110501650 in words is "fifty-five billion, one hundred ten million, five hundred one thousand, six hundred fifty".