55329786554 has 16 divisors (see below), whose sum is σ = 94873363008. Its totient is φ = 23707190592.

The previous prime is 55329786527. The next prime is 55329786557. The reversal of 55329786554 is 45568792355.

It is a super-2 number, since 2×55329786554² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55329786493 and 55329786502.

It is not an unprimeable number, because it can be changed into a prime (55329786557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402632 + ... + 522275.

It is an arithmetic number, because the mean of its divisors is an integer number (5929585188).

Almost surely, 2^55329786554 is an apocalyptic number.

55329786554 is a deficient number, since it is larger than the sum of its proper divisors (39543576454).

55329786554 is a wasteful number, since it uses less digits than its factorization.

55329786554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929189.

The product of its digits is 45360000, while the sum is 59.

The spelling of 55329786554 in words is "fifty-five billion, three hundred twenty-nine million, seven hundred eighty-six thousand, five hundred fifty-four".