55229842 has 16 divisors (see below), whose sum is σ = 84343392. Its totient is φ = 27118080.

The previous prime is 55229813. The next prime is 55229849. The reversal of 55229842 is 24892255.

It is not an unprimeable number, because it can be changed into a prime (55229849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85573 + ... + 86215.

It is an arithmetic number, because the mean of its divisors is an integer number (5271462).

Almost surely, 2^55229842 is an apocalyptic number.

55229842 is a deficient number, since it is larger than the sum of its proper divisors (29113550).

55229842 is a wasteful number, since it uses less digits than its factorization.

55229842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353.

The product of its digits is 57600, while the sum is 37.

The square root of 55229842 is about 7431.6782761366. The cubic root of 55229842 is about 380.8242542236.

The spelling of 55229842 in words is "fifty-five million, two hundred twenty-nine thousand, eight hundred forty-two".