51140524 has 6 divisors (see below), whose sum is σ = 89495924. Its totient is φ = 25570260.

The previous prime is 51140491. The next prime is 51140563. The reversal of 51140524 is 42504115.

51140524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 51140495 and 51140504.

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 as a sum of consecutive naturals, namely, 6392562 + ... + 6392569.

Almost surely, 2^51140524 is an apocalyptic number.

It is an amenable number.

51140524 is a deficient number, since it is larger than the sum of its proper divisors (38355400).

51140524 is a wasteful number, since it uses less digits than its factorization.

51140524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12785135 (or 12785133 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 51140524 is about 7151.2603085051. The cubic root of 51140524 is about 371.1832680943.

Adding to 51140524 its reverse (42504115), we get a palindrome (93644639).

The spelling of 51140524 in words is "fifty-one million, one hundred forty thousand, five hundred twenty-four".