55550426 has 4 divisors (see below), whose sum is σ = 83325642. Its totient is φ = 27775212.

The previous prime is 55550423. The next prime is 55550459. The reversal of 55550426 is 62405555.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 46936201 + 8614225 = 6851^2 + 2935^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55550392 and 55550401.

It is not an unprimeable number, because it can be changed into a prime (55550423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13887605 + ... + 13887608.

Almost surely, 2^55550426 is an apocalyptic number.

55550426 is a deficient number, since it is larger than the sum of its proper divisors (27775216).

55550426 is a wasteful number, since it uses less digits than its factorization.

55550426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27775215.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 55550426 is about 7453.2158160086. The cubic root of 55550426 is about 381.5596700724.

The spelling of 55550426 in words is "fifty-five million, five hundred fifty thousand, four hundred twenty-six".