51752949 has 16 divisors (see below), whose sum is σ = 70412160. Its totient is φ = 33802560.

The previous prime is 51752929. The next prime is 51752957. The reversal of 51752949 is 94925715.

It is not a de Polignac number, because 51752949 - 2⁵ = 51752917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51752949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51752929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70824 + ... + 71550.

It is an arithmetic number, because the mean of its divisors is an integer number (4400760).

Almost surely, 2^51752949 is an apocalyptic number.

It is an amenable number.

51752949 is a deficient number, since it is larger than the sum of its proper divisors (18659211).

51752949 is a wasteful number, since it uses less digits than its factorization.

51752949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180.

The product of its digits is 113400, while the sum is 42.

The square root of 51752949 is about 7193.9522517181. The cubic root of 51752949 is about 372.6590741393.

The spelling of 51752949 in words is "fifty-one million, seven hundred fifty-two thousand, nine hundred forty-nine".