53451442 has 16 divisors (see below), whose sum is σ = 88452000. Its totient is φ = 24022240.

The previous prime is 53451407. The next prime is 53451443. The reversal of 53451442 is 24415435.

It is a self number, because there is not a number n which added to its sum of digits gives 53451442.

It is not an unprimeable number, because it can be changed into a prime (53451443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11692 + ... + 15607.

It is an arithmetic number, because the mean of its divisors is an integer number (5528250).

Almost surely, 2^53451442 is an apocalyptic number.

53451442 is a deficient number, since it is larger than the sum of its proper divisors (35000558).

53451442 is a wasteful number, since it uses less digits than its factorization.

53451442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27401.

The product of its digits is 9600, while the sum is 28.

The square root of 53451442 is about 7311.0493090937. The cubic root of 53451442 is about 376.6920679696.

Adding to 53451442 its reverse (24415435), we get a palindrome (77866877).

The spelling of 53451442 in words is "fifty-three million, four hundred fifty-one thousand, four hundred forty-two".