53964644 has 6 divisors (see below), whose sum is σ = 94438134. Its totient is φ = 26982320.

The previous prime is 53964629. The next prime is 53964649. The reversal of 53964644 is 44646935.

It can be written as a sum of positive squares in only one way, i.e., 50239744 + 3724900 = 7088^2 + 1930^2 .

It is not an unprimeable number, because it can be changed into a prime (53964649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6745577 + ... + 6745584.

It is an arithmetic number, because the mean of its divisors is an integer number (15739689).

Almost surely, 2^53964644 is an apocalyptic number.

It is an amenable number.

53964644 is a deficient number, since it is larger than the sum of its proper divisors (40473490).

53964644 is a wasteful number, since it uses less digits than its factorization.

53964644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13491165 (or 13491163 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The square root of 53964644 is about 7346.0631633549. The cubic root of 53964644 is about 377.8938047941.

The spelling of 53964644 in words is "fifty-three million, nine hundred sixty-four thousand, six hundred forty-four".