55626406613 has 8 divisors (see below), whose sum is σ = 56151340128. Its totient is φ = 55101567024.

The previous prime is 55626406597. The next prime is 55626406631. The reversal of 55626406613 is 31660462655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55626406613 - 2⁴ = 55626406597 is a prime.

It is a super-2 number, since 2×55626406613² (a number of 22 digits) contains 22 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 (55626406013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1916195 + ... + 1945007.

It is an arithmetic number, because the mean of its divisors is an integer number (7018917516).

Almost surely, 2^55626406613 is an apocalyptic number.

It is an amenable number.

55626406613 is a deficient number, since it is larger than the sum of its proper divisors (524933515).

55626406613 is a wasteful number, since it uses less digits than its factorization.

55626406613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46963.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 55626406613 in words is "fifty-five billion, six hundred twenty-six million, four hundred six thousand, six hundred thirteen".