51357964060 has 96 divisors (see below), whose sum is σ = 122588121600. Its totient is φ = 17916837120.

The previous prime is 51357964001. The next prime is 51357964067. The reversal of 51357964060 is 6046975315.

It is a self number, because there is not a number n which added to its sum of digits gives 51357964060.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51357964067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1858545 + ... + 1885975.

It is an arithmetic number, because the mean of its divisors is an integer number (1276959600).

Almost surely, 2^51357964060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51357964060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61294060800).

51357964060 is an abundant number, since it is smaller than the sum of its proper divisors (71230157540).

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

51357964060 is a wasteful number, since it uses less digits than its factorization.

51357964060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27851 (or 27849 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 51357964060 in words is "fifty-one billion, three hundred fifty-seven million, nine hundred sixty-four thousand, sixty".