53005302 has 24 divisors (see below), whose sum is σ = 131251536. Its totient is φ = 15144336.

The previous prime is 53005289. The next prime is 53005321. The reversal of 53005302 is 20350035.

It is a super-2 number, since 2×53005302² = 5619124080222408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210213 + ... + 210464.

It is an arithmetic number, because the mean of its divisors is an integer number (5468814).

Almost surely, 2^53005302 is an apocalyptic number.

53005302 is an abundant number, since it is smaller than the sum of its proper divisors (78246234).

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

53005302 is a wasteful number, since it uses less digits than its factorization.

53005302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420692 (or 420689 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 53005302 is about 7280.4740230290. The cubic root of 53005302 is about 375.6411006819.

Adding to 53005302 its reverse (20350035), we get a palindrome (73355337).

The spelling of 53005302 in words is "fifty-three million, five thousand, three hundred two".