53020250 has 16 divisors (see below), whose sum is σ = 99254376. Its totient is φ = 21208000.

The previous prime is 53020217. The next prime is 53020271. The reversal of 53020250 is 5202035.

It can be written as a sum of positive squares in 4 ways, for example, as 2283121 + 50737129 = 1511^2 + 7123^2 .

It is a super-2 number, since 2×53020250² = 5622293820125000, which contains 22 as substring.

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, 105791 + ... + 106290.

Almost surely, 2^53020250 is an apocalyptic number.

53020250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53020250 is a deficient number, since it is larger than the sum of its proper divisors (46234126).

53020250 is a wasteful number, since it uses less digits than its factorization.

53020250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212098 (or 212088 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 53020250 is about 7281.5005321705. The cubic root of 53020250 is about 375.6764088190.

Adding to 53020250 its reverse (5202035), we get a palindrome (58222285).

The spelling of 53020250 in words is "fifty-three million, twenty thousand, two hundred fifty".