55019650651 has 16 divisors (see below), whose sum is σ = 63077808384. Its totient is φ = 47011240224.

The previous prime is 55019650601. The next prime is 55019650667. The reversal of 55019650651 is 15605691055.

It is a cyclic number.

It is not a de Polignac number, because 55019650651 - 2⁷ = 55019650523 is a prime.

It is a super-3 number, since 3×55019650651³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55019650598 and 55019650607.

It is not an unprimeable number, because it can be changed into a prime (55019650601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3754200 + ... + 3768826.

It is an arithmetic number, because the mean of its divisors is an integer number (3942363024).

Almost surely, 2^55019650651 is an apocalyptic number.

55019650651 is a deficient number, since it is larger than the sum of its proper divisors (8058157733).

55019650651 is a wasteful number, since it uses less digits than its factorization.

55019650651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16290.

The product of its (nonzero) digits is 202500, while the sum is 43.

The spelling of 55019650651 in words is "fifty-five billion, nineteen million, six hundred fifty thousand, six hundred fifty-one".