51377482718850 has 48 divisors (see below), whose sum is σ = 127417050447552. Its totient is φ = 13700566004160.

The previous prime is 51377482718803. The next prime is 51377482718909. The reversal of 51377482718850 is 5881728477315.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21719419 + ... + 23968481.

It is an arithmetic number, because the mean of its divisors is an integer number (2654521884324).

Almost surely, 2^{51377482718850} is an apocalyptic number.

51377482718850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51377482718850 is an abundant number, since it is smaller than the sum of its proper divisors (76039567728702).

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

51377482718850 is a wasteful number, since it uses less digits than its factorization.

51377482718850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401371 (or 2401366 counting only the distinct ones).

The product of its (nonzero) digits is 105369600, while the sum is 66.

The spelling of 51377482718850 in words is "fifty-one trillion, three hundred seventy-seven billion, four hundred eighty-two million, seven hundred eighteen thousand, eight hundred fifty".