51228547752 has 16 divisors (see below), whose sum is σ = 128071369440. Its totient is φ = 17076182576.

The previous prime is 51228547709. The next prime is 51228547753. The reversal of 51228547752 is 25774582215.

It is not an unprimeable number, because it can be changed into a prime (51228547753) 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, 1067261388 + ... + 1067261435.

It is an arithmetic number, because the mean of its divisors is an integer number (8004460590).

Almost surely, 2^51228547752 is an apocalyptic number.

It is an amenable number.

51228547752 is an abundant number, since it is smaller than the sum of its proper divisors (76842821688).

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

51228547752 is a wasteful number, since it uses less digits than its factorization.

51228547752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134522832 (or 2134522828 counting only the distinct ones).

The product of its digits is 1568000, while the sum is 48.

The spelling of 51228547752 in words is "fifty-one billion, two hundred twenty-eight million, five hundred forty-seven thousand, seven hundred fifty-two".