55626413665 has 32 divisors (see below), whose sum is σ = 68660524800. Its totient is φ = 43248925440.

The previous prime is 55626413653. The next prime is 55626413669. The reversal of 55626413665 is 56631462655.

It is not a de Polignac number, because 55626413665 - 2⁹ = 55626413153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55626413669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14995831 + ... + 14999539.

It is an arithmetic number, because the mean of its divisors is an integer number (2145641400).

Almost surely, 2^55626413665 is an apocalyptic number.

It is an amenable number.

55626413665 is a deficient number, since it is larger than the sum of its proper divisors (13034111135).

55626413665 is a wasteful number, since it uses less digits than its factorization.

55626413665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4377.

The product of its digits is 3888000, while the sum is 49.

The spelling of 55626413665 in words is "fifty-five billion, six hundred twenty-six million, four hundred thirteen thousand, six hundred sixty-five".