51652782 has 32 divisors (see below), whose sum is σ = 115312800. Its totient is φ = 17138304.

The previous prime is 51652781. The next prime is 51652801. The reversal of 51652782 is 28725615.

It is a happy number.

51652782 is a `hidden beast` number, since 51 + 6 + 527 + 82 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51652781) 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 in 15 ways as a sum of consecutive naturals, for example, 10278 + ... + 14454.

It is an arithmetic number, because the mean of its divisors is an integer number (3603525).

Almost surely, 2^51652782 is an apocalyptic number.

51652782 is an abundant number, since it is smaller than the sum of its proper divisors (63660018).

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

51652782 is a wasteful number, since it uses less digits than its factorization.

51652782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4417 (or 4411 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 51652782 is about 7186.9869903876. The cubic root of 51652782 is about 372.4184936454.

The spelling of 51652782 in words is "fifty-one million, six hundred fifty-two thousand, seven hundred eighty-two".