55626142173661 has 8 divisors (see below), whose sum is σ = 55876784563584. Its totient is φ = 55376038222080.

The previous prime is 55626142173653. The next prime is 55626142173673. The reversal of 55626142173661 is 16637124162655.

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 55626142173661 - 2³ = 55626142173653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55626142173611) 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, 134402500 + ... + 134815741.

It is an arithmetic number, because the mean of its divisors is an integer number (6984598070448).

Almost surely, 2^{55626142173661} is an apocalyptic number.

It is an amenable number.

55626142173661 is a deficient number, since it is larger than the sum of its proper divisors (250642389923).

55626142173661 is a wasteful number, since it uses less digits than its factorization.

55626142173661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269219171.

The product of its digits is 10886400, while the sum is 55.

The spelling of 55626142173661 in words is "fifty-five trillion, six hundred twenty-six billion, one hundred forty-two million, one hundred seventy-three thousand, six hundred sixty-one".