53053664 has 12 divisors (see below), whose sum is σ = 104449464. Its totient is φ = 26526816.

The previous prime is 53053657. The next prime is 53053667. The reversal of 53053664 is 46635035.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 1657927 = 53053664 / (5 + 3 + 0 + 5 + 3 + 6 + 6 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 53053664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53053667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 828932 + ... + 828995.

It is an arithmetic number, because the mean of its divisors is an integer number (8704122).

Almost surely, 2^53053664 is an apocalyptic number.

It is an amenable number.

53053664 is a deficient number, since it is larger than the sum of its proper divisors (51395800).

53053664 is a wasteful number, since it uses less digits than its factorization.

53053664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657937 (or 1657929 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 53053664 is about 7283.7946154460. The cubic root of 53053664 is about 375.7553108452.

Adding to 53053664 its reverse (46635035), we get a palindrome (99688699).

The spelling of 53053664 in words is "fifty-three million, fifty-three thousand, six hundred sixty-four".