53020303 has 6 divisors (see below), whose sum is σ = 61676736. Its totient is φ = 45445932.

The previous prime is 53020271. The next prime is 53020307. The reversal of 53020303 is 30302035.

It is not a de Polignac number, because 53020303 - 2⁵ = 53020271 is a prime.

It is a super-2 number, since 2×53020303² = 5622305060423618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53020307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 540975 + ... + 541072.

It is an arithmetic number, because the mean of its divisors is an integer number (10279456).

Almost surely, 2^53020303 is an apocalyptic number.

53020303 is a deficient number, since it is larger than the sum of its proper divisors (8656433).

53020303 is a wasteful number, since it uses less digits than its factorization.

53020303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082061 (or 1082054 counting only the distinct ones).

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

The square root of 53020303 is about 7281.5041715294. The cubic root of 53020303 is about 375.6765339966.

Adding to 53020303 its reverse (30302035), we get a palindrome (83322338).

The spelling of 53020303 in words is "fifty-three million, twenty thousand, three hundred three".