55042153 has 4 divisors (see below), whose sum is σ = 55133440. Its totient is φ = 54950868.

The previous prime is 55042147. The next prime is 55042157. The reversal of 55042153 is 35124055.

55042153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55042153 - 2⁵ = 55042121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55042157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44733 + ... + 45946.

It is an arithmetic number, because the mean of its divisors is an integer number (13783360).

Almost surely, 2^55042153 is an apocalyptic number.

It is an amenable number.

55042153 is a deficient number, since it is larger than the sum of its proper divisors (91287).

55042153 is an equidigital number, since it uses as much as digits as its factorization.

55042153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91286.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 55042153 is about 7419.0398974530. The cubic root of 55042153 is about 380.3923763299.

The spelling of 55042153 in words is "fifty-five million, forty-two thousand, one hundred fifty-three".