55450426 has 8 divisors (see below), whose sum is σ = 83237760. Its totient is φ = 27704508.

The previous prime is 55450399. The next prime is 55450427. The reversal of 55450426 is 62405455.

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

It is not an unprimeable number, because it can be changed into a prime (55450427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6756 + ... + 12511.

It is an arithmetic number, because the mean of its divisors is an integer number (10404720).

Almost surely, 2^55450426 is an apocalyptic number.

55450426 is a deficient number, since it is larger than the sum of its proper divisors (27787334).

55450426 is a wasteful number, since it uses less digits than its factorization.

55450426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20708.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 55450426 is about 7446.5042805332. The cubic root of 55450426 is about 381.3305756059.

The spelling of 55450426 in words is "fifty-five million, four hundred fifty thousand, four hundred twenty-six".