55705038 has 32 divisors (see below), whose sum is σ = 115644672. Its totient is φ = 17875200.

The previous prime is 55705037. The next prime is 55705043. The reversal of 55705038 is 83050755.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55705037) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 16798 + ... + 19838.

It is an arithmetic number, because the mean of its divisors is an integer number (3613896).

Almost surely, 2^55705038 is an apocalyptic number.

55705038 is an abundant number, since it is smaller than the sum of its proper divisors (59939634).

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

55705038 is a wasteful number, since it uses less digits than its factorization.

55705038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3160.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 55705038 is about 7463.5807760083. The cubic root of 55705038 is about 381.9133370651.

The spelling of 55705038 in words is "fifty-five million, seven hundred five thousand, thirty-eight".