53431050 has 96 divisors (see below), whose sum is σ = 139812480. Its totient is φ = 13484800.

The previous prime is 53431043. The next prime is 53431087. The reversal of 53431050 is 5013435.

53431050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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 47 ways as a sum of consecutive naturals, for example, 308764 + ... + 308936.

It is an arithmetic number, because the mean of its divisors is an integer number (1456380).

Almost surely, 2^53431050 is an apocalyptic number.

53431050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53431050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69906240).

53431050 is an abundant number, since it is smaller than the sum of its proper divisors (86381430).

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

53431050 is a wasteful number, since it uses less digits than its factorization.

53431050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 53431050 is about 7309.6545746020. The cubic root of 53431050 is about 376.6441585562.

Adding to 53431050 its reverse (5013435), we get a palindrome (58444485).

The spelling of 53431050 in words is "fifty-three million, four hundred thirty-one thousand, fifty".