51206052 has 24 divisors (see below), whose sum is σ = 121165632. Its totient is φ = 16828000.

The previous prime is 51206047. The next prime is 51206081. The reversal of 51206052 is 25060215.

51206052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51206052² = 5244119522853408, which contains 22 as substring.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 29199 + ... + 30902.

It is an arithmetic number, because the mean of its divisors is an integer number (5048568).

Almost surely, 2^51206052 is an apocalyptic number.

It is an amenable number.

51206052 is an abundant number, since it is smaller than the sum of its proper divisors (69959580).

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

51206052 is a wasteful number, since it uses less digits than its factorization.

51206052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60179 (or 60177 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 51206052 is about 7155.8404118594. The cubic root of 51206052 is about 371.3417367874.

Adding to 51206052 its reverse (25060215), we get a palindrome (76266267).

The spelling of 51206052 in words is "fifty-one million, two hundred six thousand, fifty-two".