55426677805 has 8 divisors (see below), whose sum is σ = 66599418744. Its totient is φ = 44283072000.

The previous prime is 55426677791. The next prime is 55426677809. The reversal of 55426677805 is 50877662455.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2623693284 + 52802984521 = 51222^2 + 229789^2 .

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

It is not a de Polignac number, because 55426677805 - 2²⁷ = 55292460077 is a prime.

It is a super-2 number, since 2×55426677805² (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 (55426677809) 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, 7279596 + ... + 7287205.

It is an arithmetic number, because the mean of its divisors is an integer number (8324927343).

Almost surely, 2^55426677805 is an apocalyptic number.

It is an amenable number.

55426677805 is a deficient number, since it is larger than the sum of its proper divisors (11172740939).

55426677805 is a wasteful number, since it uses less digits than its factorization.

55426677805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14567567.

The product of its (nonzero) digits is 14112000, while the sum is 55.

The spelling of 55426677805 in words is "fifty-five billion, four hundred twenty-six million, six hundred seventy-seven thousand, eight hundred five".