53903330 has 16 divisors (see below), whose sum is σ = 104489784. Its totient is φ = 19902720.

The previous prime is 53903263. The next prime is 53903351. The reversal of 53903330 is 3330935.

It can be written as a sum of positive squares in 4 ways, for example, as 46607929 + 7295401 = 6827^2 + 2701^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 53903330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207191 + ... + 207450.

Almost surely, 2^53903330 is an apocalyptic number.

53903330 is a deficient number, since it is larger than the sum of its proper divisors (50586454).

53903330 is a wasteful number, since it uses less digits than its factorization.

53903330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414661.

The product of its (nonzero) digits is 3645, while the sum is 26.

The square root of 53903330 is about 7341.8887215757. Note that the first 3 decimals coincide. The cubic root of 53903330 is about 377.7506310430.

The spelling of 53903330 in words is "fifty-three million, nine hundred three thousand, three hundred thirty".