51499852 has 12 divisors (see below), whose sum is σ = 94043376. Its totient is φ = 24630320.

The previous prime is 51499837. The next prime is 51499859. The reversal of 51499852 is 25899415.

It is a junction number, because it is equal to n+sod(n) for n = 51499799 and 51499808.

It is not an unprimeable number, because it can be changed into a prime (51499859) 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, 279799 + ... + 279982.

It is an arithmetic number, because the mean of its divisors is an integer number (7836948).

Almost surely, 2^51499852 is an apocalyptic number.

It is an amenable number.

51499852 is a deficient number, since it is larger than the sum of its proper divisors (42543524).

51499852 is a wasteful number, since it uses less digits than its factorization.

51499852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559808 (or 559806 counting only the distinct ones).

The product of its digits is 129600, while the sum is 43.

The square root of 51499852 is about 7176.3397355476. The cubic root of 51499852 is about 372.0505866382.

The spelling of 51499852 in words is "fifty-one million, four hundred ninety-nine thousand, eight hundred fifty-two".