53140412 has 48 divisors (see below), whose sum is σ = 104781600. Its totient is φ = 23412480.

The previous prime is 53140411. The next prime is 53140429. The reversal of 53140412 is 21404135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53140411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197414 + ... + 197682.

It is an arithmetic number, because the mean of its divisors is an integer number (2182950).

Almost surely, 2^53140412 is an apocalyptic number.

53140412 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

53140412 is a deficient number, since it is larger than the sum of its proper divisors (51641188).

53140412 is a wasteful number, since it uses less digits than its factorization.

53140412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 53140412 is about 7289.7470463659. The cubic root of 53140412 is about 375.9599983852.

Adding to 53140412 its reverse (21404135), we get a palindrome (74544547).

The spelling of 53140412 in words is "fifty-three million, one hundred forty thousand, four hundred twelve".