55535554 has 8 divisors (see below), whose sum is σ = 83486988. Its totient is φ = 27706560.

The previous prime is 55535521. The next prime is 55535569. The reversal of 55535554 is 45553555.

It can be written as a sum of positive squares in 2 ways, for example, as 44823025 + 10712529 = 6695^2 + 3273^2 .

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

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, 29467 + ... + 31294.

Almost surely, 2^55535554 is an apocalyptic number.

55535554 is a deficient number, since it is larger than the sum of its proper divisors (27951434).

55535554 is a wasteful number, since it uses less digits than its factorization.

55535554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61220.

The product of its digits is 187500, while the sum is 37.

The square root of 55535554 is about 7452.2180590748. The cubic root of 55535554 is about 381.5256165568.

The spelling of 55535554 in words is "fifty-five million, five hundred thirty-five thousand, five hundred fifty-four".