53530250 has 32 divisors (see below), whose sum is σ = 100700496. Its totient is φ = 21307200.

The previous prime is 53530241. The next prime is 53530261. The reversal of 53530250 is 5203535.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3644281 + 49885969 = 1909^2 + 7063^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68864 + ... + 69636.

Almost surely, 2^53530250 is an apocalyptic number.

53530250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53530250 is a deficient number, since it is larger than the sum of its proper divisors (47170246).

53530250 is a wasteful number, since it uses less digits than its factorization.

53530250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067 (or 1057 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 53530250 is about 7316.4369743749. The cubic root of 53530250 is about 376.8771067613.

Adding to 53530250 its reverse (5203535), we get a palindrome (58733785).

The spelling of 53530250 in words is "fifty-three million, five hundred thirty thousand, two hundred fifty".