53191488 has 112 divisors (see below), whose sum is σ = 169387520. Its totient is φ = 14390784.

The previous prime is 53191429. The next prime is 53191493. The reversal of 53191488 is 88419135.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24495 + ... + 26577.

Almost surely, 2^53191488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53191488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84693760).

53191488 is an abundant number, since it is smaller than the sum of its proper divisors (116196032).

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

53191488 is a wasteful number, since it uses less digits than its factorization.

53191488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124 (or 2114 counting only the distinct ones).

The product of its digits is 34560, while the sum is 39.

The square root of 53191488 is about 7293.2494815411. The cubic root of 53191488 is about 376.0804113519.

The spelling of 53191488 in words is "fifty-three million, one hundred ninety-one thousand, four hundred eighty-eight".