53446864 has 10 divisors (see below), whose sum is σ = 103553330. Its totient is φ = 26723424.

The previous prime is 53446831. The next prime is 53446879. The reversal of 53446864 is 46864435.

It can be written as a sum of positive squares in only one way, i.e., 53406864 + 40000 = 7308^2 + 200^2 .

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, 1670199 + ... + 1670230.

It is an arithmetic number, because the mean of its divisors is an integer number (10355333).

Almost surely, 2^53446864 is an apocalyptic number.

It is an amenable number.

53446864 is a deficient number, since it is larger than the sum of its proper divisors (50106466).

53446864 is a wasteful number, since it uses less digits than its factorization.

53446864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340437 (or 3340431 counting only the distinct ones).

The product of its digits is 276480, while the sum is 40.

The square root of 53446864 is about 7310.7362146367. The cubic root of 53446864 is about 376.6813133766.

The spelling of 53446864 in words is "fifty-three million, four hundred forty-six thousand, eight hundred sixty-four".