65502464 has 18 divisors (see below), whose sum is σ = 130749570. Its totient is φ = 32751104.

The previous prime is 65502433. The next prime is 65502497. The reversal of 65502464 is 46420556.

It can be written as a sum of positive squares in only one way, i.e., 56550400 + 8952064 = 7520^2 + 2992^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 65502464.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127679 + ... + 128190.

It is an arithmetic number, because the mean of its divisors is an integer number (7263865).

Almost surely, 2^65502464 is an apocalyptic number.

65502464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

65502464 is a deficient number, since it is larger than the sum of its proper divisors (65247106).

65502464 is an equidigital number, since it uses as much as digits as its factorization.

65502464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255885 (or 255871 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 65502464 is about 8093.3592531161. The cubic root of 65502464 is about 403.1059535420.

The spelling of 65502464 in words is "sixty-five million, five hundred two thousand, four hundred sixty-four".