55545005 has 8 divisors (see below), whose sum is σ = 68952600. Its totient is φ = 42903616.

The previous prime is 55544971. The next prime is 55545031. The reversal of 55545005 is 50054555.

It can be written as a sum of positive squares in 4 ways, for example, as 9223369 + 46321636 = 3037^2 + 6806^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 55545005 - 2⁶ = 55544941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191390 + ... + 191679.

It is an arithmetic number, because the mean of its divisors is an integer number (8619075).

Almost surely, 2^55545005 is an apocalyptic number.

It is an amenable number.

55545005 is a deficient number, since it is larger than the sum of its proper divisors (13407595).

55545005 is a wasteful number, since it uses less digits than its factorization.

55545005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383103.

The product of its (nonzero) digits is 12500, while the sum is 29.

The square root of 55545005 is about 7452.8521386111. The cubic root of 55545005 is about 381.5472579128.

The spelling of 55545005 in words is "fifty-five million, five hundred forty-five thousand, five".