55939005 has 40 divisors (see below), whose sum is σ = 103013592. Its totient is φ = 29020032.

The previous prime is 55938997. The next prime is 55939019. The reversal of 55939005 is 50093955.

It can be written as a sum of positive squares in 4 ways, for example, as 16475481 + 39463524 = 4059^2 + 6282^2 .

It is not a de Polignac number, because 55939005 - 2³ = 55938997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13119 + ... + 16851.

Almost surely, 2^55939005 is an apocalyptic number.

It is an amenable number.

55939005 is a deficient number, since it is larger than the sum of its proper divisors (47074587).

55939005 is a wasteful number, since it uses less digits than its factorization.

55939005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787 (or 3778 counting only the distinct ones).

The product of its (nonzero) digits is 30375, while the sum is 36.

The square root of 55939005 is about 7479.2382633528. The cubic root of 55939005 is about 382.4472822386.

The spelling of 55939005 in words is "fifty-five million, nine hundred thirty-nine thousand, five".