55995489459 has 168 divisors, whose sum is σ = 108049870320. Its totient is φ = 28728991872.

The previous prime is 55995489449. The next prime is 55995489469. The reversal of 55995489459 is 95498459955.

55995489459 is a `hidden beast` number, since 5 + 5 + 9 + 95 + 4 + 89 + 459 = 666.

It is an interprime number because it is at equal distance from previous prime (55995489449) and next prime (55995489469).

It is not a de Polignac number, because 55995489459 - 2¹² = 55995485363 is a prime.

It is a super-2 number, since 2×55995489459² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55995489409) 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 167 ways as a sum of consecutive naturals, for example, 17180172 + ... + 17183430.

It is an arithmetic number, because the mean of its divisors is an integer number (643153990).

Almost surely, 2^55995489459 is an apocalyptic number.

55995489459 is a deficient number, since it is larger than the sum of its proper divisors (52054380861).

55995489459 is a wasteful number, since it uses less digits than its factorization.

55995489459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341 (or 3319 counting only the distinct ones).

The product of its digits is 524880000, while the sum is 72.

The spelling of 55995489459 in words is "fifty-five billion, nine hundred ninety-five million, four hundred eighty-nine thousand, four hundred fifty-nine".