55406626 has 12 divisors (see below), whose sum is σ = 91352646. Its totient is φ = 25184720.

The previous prime is 55406599. The next prime is 55406639. The reversal of 55406626 is 62660455.

It can be written as a sum of positive squares in only one way, i.e., 44876601 + 10530025 = 6699^2 + 3245^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55406591 and 55406600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114235 + ... + 114718.

Almost surely, 2^55406626 is an apocalyptic number.

55406626 is a deficient number, since it is larger than the sum of its proper divisors (35946020).

55406626 is a wasteful number, since it uses less digits than its factorization.

55406626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228977 (or 228966 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 55406626 is about 7443.5627222453. The cubic root of 55406626 is about 381.2301454858.

The spelling of 55406626 in words is "fifty-five million, four hundred six thousand, six hundred twenty-six".