55004426 has 8 divisors (see below), whose sum is σ = 82867620. Its totient is φ = 27381888.

The previous prime is 55004419. The next prime is 55004437. The reversal of 55004426 is 62440055.

It can be written as a sum of positive squares in 2 ways, for example, as 54982225 + 22201 = 7415^2 + 149^2 .

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

It is a plaindrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 55004395 and 55004404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59591 + ... + 60506.

Almost surely, 2^55004426 is an apocalyptic number.

55004426 is a deficient number, since it is larger than the sum of its proper divisors (27863194).

55004426 is a wasteful number, since it uses less digits than its factorization.

55004426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120328.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 55004426 is about 7416.4968819517. The cubic root of 55004426 is about 380.3054469344.

The spelling of 55004426 in words is "fifty-five million, four thousand, four hundred twenty-six".