53387412 has 96 divisors (see below), whose sum is σ = 145805184. Its totient is φ = 15052800.

The previous prime is 53387401. The next prime is 53387413. The reversal of 53387412 is 21478335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53387413) 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 31 ways as a sum of consecutive naturals, for example, 108487 + ... + 108977.

It is an arithmetic number, because the mean of its divisors is an integer number (1518804).

Almost surely, 2^53387412 is an apocalyptic number.

53387412 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53387412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72902592).

53387412 is an abundant number, since it is smaller than the sum of its proper divisors (92417772).

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

53387412 is a wasteful number, since it uses less digits than its factorization.

53387412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569 (or 567 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 53387412 is about 7306.6690085154. The cubic root of 53387412 is about 376.5415935100.

The spelling of 53387412 in words is "fifty-three million, three hundred eighty-seven thousand, four hundred twelve".