65623255 has 8 divisors (see below), whose sum is σ = 82171872. Its totient is φ = 50215968.

The previous prime is 65623219. The next prime is 65623273. The reversal of 65623255 is 55232656.

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

It is a cyclic number.

It is not a de Polignac number, because 65623255 - 2⁷ = 65623127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65623255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285204 + ... + 285433.

It is an arithmetic number, because the mean of its divisors is an integer number (10271484).

Almost surely, 2^65623255 is an apocalyptic number.

65623255 is a deficient number, since it is larger than the sum of its proper divisors (16548617).

65623255 is a wasteful number, since it uses less digits than its factorization.

65623255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570665.

The product of its digits is 54000, while the sum is 34.

The square root of 65623255 is about 8100.8181685556. The cubic root of 65623255 is about 403.3535863214.

The spelling of 65623255 in words is "sixty-five million, six hundred twenty-three thousand, two hundred fifty-five".