53303020 has 24 divisors (see below), whose sum is σ = 113773968. Its totient is φ = 20971200.

The previous prime is 53303011. The next prime is 53303023. The reversal of 53303020 is 2030335.

It is a super-2 number, since 2×53303020² = 5682423882240800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53302985 and 53303003.

It is not an unprimeable number, because it can be changed into a prime (53303023) 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, 20626 + ... + 23065.

It is an arithmetic number, because the mean of its divisors is an integer number (4740582).

Almost surely, 2^53303020 is an apocalyptic number.

It is an amenable number.

53303020 is an abundant number, since it is smaller than the sum of its proper divisors (60470948).

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

53303020 is a wasteful number, since it uses less digits than its factorization.

53303020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43761 (or 43759 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 16.

The square root of 53303020 is about 7300.8917263578. The cubic root of 53303020 is about 376.3430831899.

Adding to 53303020 its reverse (2030335), we get a palindrome (55333355).

The spelling of 53303020 in words is "fifty-three million, three hundred three thousand, twenty".