53431572 has 48 divisors (see below), whose sum is σ = 135777600. Its totient is φ = 16289280.

The previous prime is 53431531. The next prime is 53431597. The reversal of 53431572 is 27513435.

53431572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2572 + ... + 10652.

It is an arithmetic number, because the mean of its divisors is an integer number (2828700).

Almost surely, 2^53431572 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 53431572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67888800).

53431572 is an abundant number, since it is smaller than the sum of its proper divisors (82346028).

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

53431572 is a wasteful number, since it uses less digits than its factorization.

53431572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8136 (or 8134 counting only the distinct ones).

The product of its digits is 12600, while the sum is 30.

The square root of 53431572 is about 7309.6902807164. The cubic root of 53431572 is about 376.6453851065.

The spelling of 53431572 in words is "fifty-three million, four hundred thirty-one thousand, five hundred seventy-two".