53253442 has 8 divisors (see below), whose sum is σ = 87142032. Its totient is φ = 24206100.

The previous prime is 53253439. The next prime is 53253449. The reversal of 53253442 is 24435235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 53253442.

It is not an unprimeable number, because it can be changed into a prime (53253449) 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 3 ways as a sum of consecutive naturals, for example, 1210284 + ... + 1210327.

It is an arithmetic number, because the mean of its divisors is an integer number (10892754).

Almost surely, 2^53253442 is an apocalyptic number.

53253442 is a deficient number, since it is larger than the sum of its proper divisors (33888590).

53253442 is a wasteful number, since it uses less digits than its factorization.

53253442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420624.

The product of its digits is 14400, while the sum is 28.

The square root of 53253442 is about 7297.4955978061. The cubic root of 53253442 is about 376.2263660684.

Adding to 53253442 its reverse (24435235), we get a palindrome (77688677).

The spelling of 53253442 in words is "fifty-three million, two hundred fifty-three thousand, four hundred forty-two".