51260602652 has 72 divisors (see below), whose sum is σ = 109317700800. Its totient is φ = 20942603136.

The previous prime is 51260602643. The next prime is 51260602661. The reversal of 51260602652 is 25620606215.

It is an interprime number because it is at equal distance from previous prime (51260602643) and next prime (51260602661).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 391958 + ... + 506114.

It is an arithmetic number, because the mean of its divisors is an integer number (1518301400).

Almost surely, 2^51260602652 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 51260602652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54658850400).

51260602652 is an abundant number, since it is smaller than the sum of its proper divisors (58057098148).

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

51260602652 is a wasteful number, since it uses less digits than its factorization.

51260602652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114283 (or 114274 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 51260602652 in words is "fifty-one billion, two hundred sixty million, six hundred two thousand, six hundred fifty-two".