55605616497 has 24 divisors (see below), whose sum is σ = 80549414400. Its totient is φ = 36964276128.

The previous prime is 55605616483. The next prime is 55605616511. The reversal of 55605616497 is 79461650655.

It is an interprime number because it is at equal distance from previous prime (55605616483) and next prime (55605616511).

It is not a de Polignac number, because 55605616497 - 2¹⁶ = 55605550961 is a prime.

It is a super-2 number, since 2×55605616497² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55605616597) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8923779 + ... + 8930007.

It is an arithmetic number, because the mean of its divisors is an integer number (3356225600).

Almost surely, 2^55605616497 is an apocalyptic number.

It is an amenable number.

55605616497 is a deficient number, since it is larger than the sum of its proper divisors (24943797903).

55605616497 is a wasteful number, since it uses less digits than its factorization.

55605616497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8917 (or 8914 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 54.

The spelling of 55605616497 in words is "fifty-five billion, six hundred five million, six hundred sixteen thousand, four hundred ninety-seven".