53422145 has 32 divisors (see below), whose sum is σ = 77137920. Its totient is φ = 34744320.

The previous prime is 53422111. The next prime is 53422151. The reversal of 53422145 is 54122435.

It is a happy number.

It is not a de Polignac number, because 53422145 - 2⁸ = 53421889 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 57041 + ... + 57969.

It is an arithmetic number, because the mean of its divisors is an integer number (2410560).

Almost surely, 2^53422145 is an apocalyptic number.

It is an amenable number.

53422145 is a deficient number, since it is larger than the sum of its proper divisors (23715775).

53422145 is a wasteful number, since it uses less digits than its factorization.

53422145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025.

The product of its digits is 4800, while the sum is 26.

The square root of 53422145 is about 7309.0454233094. The cubic root of 53422145 is about 376.6232331294.

The spelling of 53422145 in words is "fifty-three million, four hundred twenty-two thousand, one hundred forty-five".