53191044 has 36 divisors (see below), whose sum is σ = 135795660. Its totient is φ = 17553600.

The previous prime is 53191031. The next prime is 53191049. The reversal of 53191044 is 44019135.

53191044 is a `hidden beast` number, since 531 + 91 + 0 + 44 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 32832900 + 20358144 = 5730^2 + 4512^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 53190999 and 53191017.

It is not an unprimeable number, because it can be changed into a prime (53191049) 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 11 ways as a sum of consecutive naturals, for example, 3679 + ... + 10950.

Almost surely, 2^53191044 is an apocalyptic number.

It is an amenable number.

53191044 is an abundant number, since it is smaller than the sum of its proper divisors (82604616).

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

53191044 is a wasteful number, since it uses less digits than its factorization.

53191044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14740 (or 14735 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 53191044 is about 7293.2190423708. The cubic root of 53191044 is about 376.0793649428.

The spelling of 53191044 in words is "fifty-three million, one hundred ninety-one thousand, forty-four".