65455403 has 4 divisors (see below), whose sum is σ = 70490448. Its totient is φ = 60420360.

The previous prime is 65455343. The next prime is 65455427. The reversal of 65455403 is 30455456.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 65455403 - 2¹⁰ = 65454379 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 65455403.

It is not an unprimeable number, because it can be changed into a prime (65455463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2517503 + ... + 2517528.

It is an arithmetic number, because the mean of its divisors is an integer number (17622612).

Almost surely, 2^65455403 is an apocalyptic number.

65455403 is a deficient number, since it is larger than the sum of its proper divisors (5035045).

65455403 is a wasteful number, since it uses less digits than its factorization.

65455403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5035044.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 65455403 is about 8090.4513471128. The cubic root of 65455403 is about 403.0093917073.

The spelling of 65455403 in words is "sixty-five million, four hundred fifty-five thousand, four hundred three".