55873930 has 16 divisors (see below), whose sum is σ = 114940800. Its totient is φ = 19156752.

The previous prime is 55873919. The next prime is 55873931. The reversal of 55873930 is 3937855.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55873931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399030 + ... + 399169.

It is an arithmetic number, because the mean of its divisors is an integer number (7183800).

Almost surely, 2^55873930 is an apocalyptic number.

55873930 is an abundant number, since it is smaller than the sum of its proper divisors (59066870).

55873930 is a wasteful number, since it uses less digits than its factorization.

55873930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798213.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 55873930 is about 7474.8866212137. The cubic root of 55873930 is about 382.2989217523.

The spelling of 55873930 in words is "fifty-five million, eight hundred seventy-three thousand, nine hundred thirty".