65255744 has 42 divisors (see below), whose sum is σ = 133929882. Its totient is φ = 31545600.

The previous prime is 65255681. The next prime is 65255767. The reversal of 65255744 is 44755256.

65255744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 59105344 + 6150400 = 7688^2 + 2480^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65255698 and 65255707.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60974 + ... + 62034.

Almost surely, 2^65255744 is an apocalyptic number.

65255744 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65255744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66964941).

65255744 is an abundant number, since it is smaller than the sum of its proper divisors (68674138).

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

65255744 is a wasteful number, since it uses less digits than its factorization.

65255744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135 (or 1094 counting only the distinct ones).

The product of its digits is 168000, while the sum is 38.

The square root of 65255744 is about 8078.1027475516. The cubic root of 65255744 is about 402.5992070568.

The spelling of 65255744 in words is "sixty-five million, two hundred fifty-five thousand, seven hundred forty-four".