53020266 has 16 divisors (see below), whose sum is σ = 114197664. Its totient is φ = 16313904.

The previous prime is 53020217. The next prime is 53020271. The reversal of 53020266 is 66202035.

It is a super-2 number, since 2×53020266² = 5622297213421512, 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, 339796 + ... + 339951.

It is an arithmetic number, because the mean of its divisors is an integer number (7137354).

Almost surely, 2^53020266 is an apocalyptic number.

53020266 is an abundant number, since it is smaller than the sum of its proper divisors (61177398).

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

53020266 is a wasteful number, since it uses less digits than its factorization.

53020266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679765.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 53020266 is about 7281.5016308451. The cubic root of 53020266 is about 375.6764466085.

The spelling of 53020266 in words is "fifty-three million, twenty thousand, two hundred sixty-six".