53021334 has 16 divisors (see below), whose sum is σ = 112280688. Its totient is φ = 16634112.

The previous prime is 53021327. The next prime is 53021363. The reversal of 53021334 is 43312035.

It is a super-2 number, since 2×53021334² = 5622523718279112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53021334.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 259807 + ... + 260010.

It is an arithmetic number, because the mean of its divisors is an integer number (7017543).

Almost surely, 2^53021334 is an apocalyptic number.

53021334 is an abundant number, since it is smaller than the sum of its proper divisors (59259354).

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

53021334 is a wasteful number, since it uses less digits than its factorization.

53021334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519839.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 53021334 is about 7281.5749669972. The cubic root of 53021334 is about 375.6789690386.

Adding to 53021334 its reverse (43312035), we get a palindrome (96333369).

The spelling of 53021334 in words is "fifty-three million, twenty-one thousand, three hundred thirty-four".