52065930 has 48 divisors (see below), whose sum is σ = 145363680. Its totient is φ = 11900448.

The previous prime is 52065929. The next prime is 52065931. The reversal of 52065930 is 3956025.

52065930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52065929) and next prime (52065931).

It is a super-2 number, since 2×52065930² = 5421722133529800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52065931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16240 + ... + 19179.

It is an arithmetic number, because the mean of its divisors is an integer number (3028410).

Almost surely, 2^52065930 is an apocalyptic number.

52065930 is an abundant number, since it is smaller than the sum of its proper divisors (93297750).

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

52065930 is a wasteful number, since it uses less digits than its factorization.

52065930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35443 (or 35436 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 52065930 is about 7215.6725258288. The cubic root of 52065930 is about 373.4087955096.

The spelling of 52065930 in words is "fifty-two million, sixty-five thousand, nine hundred thirty".