55626506 has 8 divisors (see below), whose sum is σ = 89858244. Its totient is φ = 25673760.

The previous prime is 55626491. The next prime is 55626523. The reversal of 55626506 is 60562655.

It can be written as a sum of positive squares in 2 ways, for example, as 44769481 + 10857025 = 6691^2 + 3295^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 1069715 + ... + 1069766.

Almost surely, 2^55626506 is an apocalyptic number.

55626506 is a deficient number, since it is larger than the sum of its proper divisors (34231738).

55626506 is a wasteful number, since it uses less digits than its factorization.

55626506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139496.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 55626506 is about 7458.3179068742. The cubic root of 55626506 is about 381.7337810526.

The spelling of 55626506 in words is "fifty-five million, six hundred twenty-six thousand, five hundred six".