51775652 has 12 divisors (see below), whose sum is σ = 91754880. Its totient is φ = 25559976.

The previous prime is 51775651. The next prime is 51775667. The reversal of 51775652 is 25657715.

It is not an unprimeable number, because it can be changed into a prime (51775651) 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, 81608 + ... + 82239.

It is an arithmetic number, because the mean of its divisors is an integer number (7646240).

Almost surely, 2^51775652 is an apocalyptic number.

It is an amenable number.

51775652 is a deficient number, since it is larger than the sum of its proper divisors (39979228).

51775652 is a wasteful number, since it uses less digits than its factorization.

51775652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163930 (or 163928 counting only the distinct ones).

The product of its digits is 73500, while the sum is 38.

The square root of 51775652 is about 7195.5300013272. The cubic root of 51775652 is about 372.7135589063.

The spelling of 51775652 in words is "fifty-one million, seven hundred seventy-five thousand, six hundred fifty-two".