51652499946 has 32 divisors (see below), whose sum is σ = 105129443328. Its totient is φ = 16916059440.

The previous prime is 51652499893. The next prime is 51652499953. The reversal of 51652499946 is 64999425615.

51652499946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51652499946.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250570 + ... + 407541.

It is an arithmetic number, because the mean of its divisors is an integer number (3285295104).

Almost surely, 2^51652499946 is an apocalyptic number.

51652499946 is an abundant number, since it is smaller than the sum of its proper divisors (53476943382).

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

51652499946 is a wasteful number, since it uses less digits than its factorization.

51652499946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658346.

The product of its digits is 20995200, while the sum is 60.

The spelling of 51652499946 in words is "fifty-one billion, six hundred fifty-two million, four hundred ninety-nine thousand, nine hundred forty-six".