51940652 has 6 divisors (see below), whose sum is σ = 90896148. Its totient is φ = 25970324.

The previous prime is 51940639. The next prime is 51940657. The reversal of 51940652 is 25604915.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (51940657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6492578 + ... + 6492585.

It is an arithmetic number, because the mean of its divisors is an integer number (15149358).

Almost surely, 2^51940652 is an apocalyptic number.

It is an amenable number.

51940652 is a deficient number, since it is larger than the sum of its proper divisors (38955496).

51940652 is a wasteful number, since it uses less digits than its factorization.

51940652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12985167 (or 12985165 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 51940652 is about 7206.9863327191. The cubic root of 51940652 is about 373.1090635031.

The spelling of 51940652 in words is "fifty-one million, nine hundred forty thousand, six hundred fifty-two".