65455944 has 16 divisors (see below), whose sum is σ = 163639920. Its totient is φ = 21818640.

The previous prime is 65455937. The next prime is 65455993. The reversal of 65455944 is 44955456.

It is a super-2 number, since 2×65455944² = 8568961209862272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65455896 and 65455905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1363642 + ... + 1363689.

It is an arithmetic number, because the mean of its divisors is an integer number (10227495).

Almost surely, 2^65455944 is an apocalyptic number.

It is an amenable number.

65455944 is an abundant number, since it is smaller than the sum of its proper divisors (98183976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65455944 is a wasteful number, since it uses less digits than its factorization.

65455944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727340 (or 2727336 counting only the distinct ones).

The product of its digits is 432000, while the sum is 42.

The square root of 65455944 is about 8090.4847815196. The cubic root of 65455944 is about 403.0105020179.

The spelling of 65455944 in words is "sixty-five million, four hundred fifty-five thousand, nine hundred forty-four".