65552145 has 8 divisors (see below), whose sum is σ = 104883456. Its totient is φ = 34961136.

The previous prime is 65552143. The next prime is 65552161. The reversal of 65552145 is 54125556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65552145 - 2¹ = 65552143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65552141) 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, 2185057 + ... + 2185086.

It is an arithmetic number, because the mean of its divisors is an integer number (13110432).

Almost surely, 2^65552145 is an apocalyptic number.

It is an amenable number.

65552145 is a deficient number, since it is larger than the sum of its proper divisors (39331311).

65552145 is a wasteful number, since it uses less digits than its factorization.

65552145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4370151.

The product of its digits is 30000, while the sum is 33.

The square root of 65552145 is about 8096.4279160627. The cubic root of 65552145 is about 403.2078410367.

The spelling of 65552145 in words is "sixty-five million, five hundred fifty-two thousand, one hundred forty-five".