55039758 has 16 divisors (see below), whose sum is σ = 112157136. Its totient is φ = 18000320.

The previous prime is 55039741. The next prime is 55039799. The reversal of 55039758 is 85793055.

It is a Curzon number.

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, 86223 + ... + 86858.

It is an arithmetic number, because the mean of its divisors is an integer number (7009821).

Almost surely, 2^55039758 is an apocalyptic number.

55039758 is an abundant number, since it is smaller than the sum of its proper divisors (57117378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55039758 is a wasteful number, since it uses less digits than its factorization.

55039758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173139.

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 55039758 is about 7418.8784866717. The cubic root of 55039758 is about 380.3868590254.

The spelling of 55039758 in words is "fifty-five million, thirty-nine thousand, seven hundred fifty-eight".