53196864 has 56 divisors (see below), whose sum is σ = 160861248. Its totient is φ = 15198720.

The previous prime is 53196863. The next prime is 53196877. The reversal of 53196864 is 46869135.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (53196863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18447 + ... + 21134.

Almost surely, 2^53196864 is an apocalyptic number.

It is an amenable number.

53196864 is an abundant number, since it is smaller than the sum of its proper divisors (107664384).

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

53196864 is a wasteful number, since it uses less digits than its factorization.

53196864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39603 (or 39593 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 53196864 is about 7293.6180322252. The cubic root of 53196864 is about 376.0930809240.

The spelling of 53196864 in words is "fifty-three million, one hundred ninety-six thousand, eight hundred sixty-four".