553861058661 has 16 divisors (see below), whose sum is σ = 821006272320. Its totient is φ = 369028589040.

The previous prime is 553861058659. The next prime is 553861058671. The reversal of 553861058661 is 166850168355.

553861058661 is a `hidden beast` number, since 5 + 53 + 8 + 6 + 1 + 0 + 586 + 6 + 1 = 666.

It is not a de Polignac number, because 553861058661 - 2¹ = 553861058659 is a prime.

It is a super-2 number, since 2×553861058661² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 553861058598 and 553861058607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553861058671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5844255 + ... + 5938268.

It is an arithmetic number, because the mean of its divisors is an integer number (51312892020).

Almost surely, 2^553861058661 is an apocalyptic number.

It is an amenable number.

553861058661 is a deficient number, since it is larger than the sum of its proper divisors (267145213659).

553861058661 is a wasteful number, since it uses less digits than its factorization.

553861058661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11784273 (or 11784267 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 54.

The spelling of 553861058661 in words is "five hundred fifty-three billion, eight hundred sixty-one million, fifty-eight thousand, six hundred sixty-one".