29854378055056 has 15 divisors (see below), whose sum is σ = 57842899827051. Its totient is φ = 14927178099696.

The previous prime is 29854378055027. The next prime is 29854378055063. The reversal of 29854378055056 is 65055087345892.

The square root of 29854378055056 is 5463916.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29854378054982 and 29854378055000.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 21172675 + ... + 22538653.

Almost surely, 2^{29854378055056} is an apocalyptic number.

29854378055056 is the 5463916-th square number.

It is an amenable number.

29854378055056 is a deficient number, since it is larger than the sum of its proper divisors (27988521771995).

29854378055056 is an frugal number, since it uses more digits than its factorization.

29854378055056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731966 (or 1365981 counting only the distinct ones).

The product of its (nonzero) digits is 362880000, while the sum is 67.

The spelling of 29854378055056 in words is "twenty-nine trillion, eight hundred fifty-four billion, three hundred seventy-eight million, fifty-five thousand, fifty-six".