53333142 has 16 divisors (see below), whose sum is σ = 107507712. Its totient is φ = 17637480.

The previous prime is 53333099. The next prime is 53333149. The reversal of 53333142 is 24133335.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53333149) 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, 34234 + ... + 35757.

It is an arithmetic number, because the mean of its divisors is an integer number (6719232).

Almost surely, 2^53333142 is an apocalyptic number.

53333142 is an abundant number, since it is smaller than the sum of its proper divisors (54174570).

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

53333142 is a wasteful number, since it uses less digits than its factorization.

53333142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70123.

The product of its digits is 3240, while the sum is 24.

The square root of 53333142 is about 7302.9543336926. The cubic root of 53333142 is about 376.4139614230.

Adding to 53333142 its reverse (24133335), we get a palindrome (77466477).

The spelling of 53333142 in words is "fifty-three million, three hundred thirty-three thousand, one hundred forty-two".