51353660 has 12 divisors (see below), whose sum is σ = 107842728. Its totient is φ = 20541456.

The previous prime is 51353629. The next prime is 51353671. The reversal of 51353660 is 6635315.

51353660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1283822 + ... + 1283861.

It is an arithmetic number, because the mean of its divisors is an integer number (8986894).

Almost surely, 2^51353660 is an apocalyptic number.

It is an amenable number.

51353660 is an abundant number, since it is smaller than the sum of its proper divisors (56489068).

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

51353660 is a wasteful number, since it uses less digits than its factorization.

51353660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567692 (or 2567690 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 51353660 is about 7166.1468028502. The cubic root of 51353660 is about 371.6982078465.

Adding to 51353660 its reverse (6635315), we get a palindrome (57988975).

The spelling of 51353660 in words is "fifty-one million, three hundred fifty-three thousand, six hundred sixty".