53225745 has 16 divisors (see below), whose sum is σ = 89643840. Its totient is φ = 26892864.

The previous prime is 53225717. The next prime is 53225747. The reversal of 53225745 is 54752235.

It is not a de Polignac number, because 53225745 - 2⁵ = 53225713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53225747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93094 + ... + 93663.

It is an arithmetic number, because the mean of its divisors is an integer number (5602740).

Almost surely, 2^53225745 is an apocalyptic number.

It is an amenable number.

53225745 is a deficient number, since it is larger than the sum of its proper divisors (36418095).

53225745 is a wasteful number, since it uses less digits than its factorization.

53225745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186784.

The product of its digits is 42000, while the sum is 33.

The square root of 53225745 is about 7295.5976451556. The cubic root of 53225745 is about 376.1611299177.

The spelling of 53225745 in words is "fifty-three million, two hundred twenty-five thousand, seven hundred forty-five".