53938964 has 6 divisors (see below), whose sum is σ = 94393194. Its totient is φ = 26969480.

The previous prime is 53938957. The next prime is 53938991. The reversal of 53938964 is 46983935.

It can be written as a sum of positive squares in only one way, i.e., 44328964 + 9610000 = 6658^2 + 3100^2 .

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, 6742367 + ... + 6742374.

It is an arithmetic number, because the mean of its divisors is an integer number (15732199).

Almost surely, 2^53938964 is an apocalyptic number.

It is an amenable number.

53938964 is a deficient number, since it is larger than the sum of its proper divisors (40454230).

53938964 is a wasteful number, since it uses less digits than its factorization.

53938964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13484745 (or 13484743 counting only the distinct ones).

The product of its digits is 699840, while the sum is 47.

The square root of 53938964 is about 7344.3150803870. The cubic root of 53938964 is about 377.8338528705.

The spelling of 53938964 in words is "fifty-three million, nine hundred thirty-eight thousand, nine hundred sixty-four".