65552123 has 16 divisors (see below), whose sum is σ = 82864320. Its totient is φ = 50461056.

The previous prime is 65552111. The next prime is 65552129. The reversal of 65552123 is 32125556.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 65552123 - 2¹⁴ = 65535739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65552129) 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, 6368 + ... + 13101.

It is an arithmetic number, because the mean of its divisors is an integer number (5179020).

Almost surely, 2^65552123 is an apocalyptic number.

65552123 is a deficient number, since it is larger than the sum of its proper divisors (17312197).

65552123 is a wasteful number, since it uses less digits than its factorization.

65552123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19526.

The product of its digits is 9000, while the sum is 29.

The square root of 65552123 is about 8096.4265574388. The cubic root of 65552123 is about 403.2077959297.

Adding to 65552123 its reverse (32125556), we get a palindrome (97677679).

The spelling of 65552123 in words is "sixty-five million, five hundred fifty-two thousand, one hundred twenty-three".