53197164 has 18 divisors (see below), whose sum is σ = 134470700. Its totient is φ = 17732376.

The previous prime is 53197153. The next prime is 53197181. The reversal of 53197164 is 46179135.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1477699 = 53197164 / (5 + 3 + 1 + 9 + 7 + 1 + 6 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 738814 + ... + 738885.

Almost surely, 2^53197164 is an apocalyptic number.

It is an amenable number.

53197164 is an abundant number, since it is smaller than the sum of its proper divisors (81273536).

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

53197164 is a wasteful number, since it uses less digits than its factorization.

53197164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477709 (or 1477704 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 53197164 is about 7293.6385981210. The cubic root of 53197164 is about 376.0937879062.

It can be divided in two parts, 53197 and 164, that added together give a square (53361 = 231²).

The spelling of 53197164 in words is "fifty-three million, one hundred ninety-seven thousand, one hundred sixty-four".