51140852 has 12 divisors (see below), whose sum is σ = 102281760. Its totient is φ = 21917496.

The previous prime is 51140851. The next prime is 51140857. The reversal of 51140852 is 25804115.

51140852 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51140851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913202 + ... + 913257.

It is an arithmetic number, because the mean of its divisors is an integer number (8523480).

Almost surely, 2^51140852 is an apocalyptic number.

It is an amenable number.

51140852 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51140852 is a wasteful number, since it uses less digits than its factorization.

51140852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826470 (or 1826468 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 51140852 is about 7151.2832414889. The cubic root of 51140852 is about 371.1840616454.

Adding to 51140852 its reverse (25804115), we get a palindrome (76944967).

The spelling of 51140852 in words is "fifty-one million, one hundred forty thousand, eight hundred fifty-two".