51787654102 has 8 divisors (see below), whose sum is σ = 78083976456. Its totient is φ = 25759661952.

The previous prime is 51787654073. The next prime is 51787654111. The reversal of 51787654102 is 20145678715.

51787654102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51787654102² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67082068 + ... + 67082839.

It is an arithmetic number, because the mean of its divisors is an integer number (9760497057).

Almost surely, 2^51787654102 is an apocalyptic number.

51787654102 is a deficient number, since it is larger than the sum of its proper divisors (26296322354).

51787654102 is a wasteful number, since it uses less digits than its factorization.

51787654102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134165102.

The product of its (nonzero) digits is 470400, while the sum is 46.

The spelling of 51787654102 in words is "fifty-one billion, seven hundred eighty-seven million, six hundred fifty-four thousand, one hundred two".