52511930 has 8 divisors (see below), whose sum is σ = 94521492. Its totient is φ = 21004768.

The previous prime is 52511873. The next prime is 52511933. The reversal of 52511930 is 3911525.

It can be written as a sum of positive squares in 2 ways, for example, as 45819361 + 6692569 = 6769^2 + 2587^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52511930.

It is not an unprimeable number, because it can be changed into a prime (52511933) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2625587 + ... + 2625606.

Almost surely, 2^52511930 is an apocalyptic number.

52511930 is a deficient number, since it is larger than the sum of its proper divisors (42009562).

52511930 is a wasteful number, since it uses less digits than its factorization.

52511930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5251200.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 52511930 is about 7246.5115745440. The cubic root of 52511930 is about 374.4719798311.

The spelling of 52511930 in words is "fifty-two million, five hundred eleven thousand, nine hundred thirty".