53321042 has 4 divisors (see below), whose sum is σ = 79981566. Its totient is φ = 26660520.

The previous prime is 53321041. The next prime is 53321069. The reversal of 53321042 is 24012335.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 49857721 + 3463321 = 7061^2 + 1861^2 .

It is not an unprimeable number, because it can be changed into a prime (53321041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13330259 + ... + 13330262.

Almost surely, 2^53321042 is an apocalyptic number.

53321042 is a deficient number, since it is larger than the sum of its proper divisors (26660524).

53321042 is a wasteful number, since it uses less digits than its factorization.

53321042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26660523.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 53321042 is about 7302.1258548453. The cubic root of 53321042 is about 376.3854928620.

Adding to 53321042 its reverse (24012335), we get a palindrome (77333377).

The spelling of 53321042 in words is "fifty-three million, three hundred twenty-one thousand, forty-two".