55624654773647 has 4 divisors (see below), whose sum is σ = 55624716488016. Its totient is φ = 55624593059280.

The previous prime is 55624654773613. The next prime is 55624654773691. The reversal of 55624654773647 is 74637745642655.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55624654773647 - 2³⁴ = 55607474904463 is a prime.

It is a super-3 number, since 3×55624654773647³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55624654773607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29484854 + ... + 31314627.

It is an arithmetic number, because the mean of its divisors is an integer number (13906179122004).

Almost surely, 2^{55624654773647} is an apocalyptic number.

55624654773647 is a deficient number, since it is larger than the sum of its proper divisors (61714369).

55624654773647 is an equidigital number, since it uses as much as digits as its factorization.

55624654773647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61714368.

The product of its digits is 3556224000, while the sum is 71.

The spelling of 55624654773647 in words is "fifty-five trillion, six hundred twenty-four billion, six hundred fifty-four million, seven hundred seventy-three thousand, six hundred forty-seven".