51061655354552 has 8 divisors (see below), whose sum is σ = 95740603789800. Its totient is φ = 25530827677272.

The previous prime is 51061655354543. The next prime is 51061655354561. The reversal of 51061655354552 is 25545355616015.

It is an interprime number because it is at equal distance from previous prime (51061655354543) and next prime (51061655354561).

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 51061655354494 and 51061655354503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3191353459652 + ... + 3191353459667.

It is an arithmetic number, because the mean of its divisors is an integer number (11967575473725).

Almost surely, 2^{51061655354552} is an apocalyptic number.

It is an amenable number.

51061655354552 is a deficient number, since it is larger than the sum of its proper divisors (44678948435248).

51061655354552 is a wasteful number, since it uses less digits than its factorization.

51061655354552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6382706919325 (or 6382706919321 counting only the distinct ones).

The product of its (nonzero) digits is 13500000, while the sum is 53.

The spelling of 51061655354552 in words is "fifty-one trillion, sixty-one billion, six hundred fifty-five million, three hundred fifty-four thousand, five hundred fifty-two".