55005042 has 16 divisors (see below), whose sum is σ = 111814272. Its totient is φ = 18034320.

The previous prime is 55005037. The next prime is 55005073. The reversal of 55005042 is 24050055.

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, 74778 + ... + 75509.

It is an arithmetic number, because the mean of its divisors is an integer number (6988392).

Almost surely, 2^55005042 is an apocalyptic number.

55005042 is an abundant number, since it is smaller than the sum of its proper divisors (56809230).

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

55005042 is a wasteful number, since it uses less digits than its factorization.

55005042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150353.

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 55005042 is about 7416.5384108761. The cubic root of 55005042 is about 380.3068666218.

Adding to 55005042 its reverse (24050055), we get a palindrome (79055097).

The spelling of 55005042 in words is "fifty-five million, five thousand, forty-two".