54180709785 has 32 divisors (see below), whose sum is σ = 97953840000. Its totient is φ = 28406605248.

The previous prime is 54180709769. The next prime is 54180709789. The reversal of 54180709785 is 58790708145.

54180709785 is a `hidden beast` number, since 541 + 8 + 0 + 7 + 0 + 97 + 8 + 5 = 666.

It is not a de Polignac number, because 54180709785 - 2⁴ = 54180709769 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (54180709789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3393210 + ... + 3409139.

It is an arithmetic number, because the mean of its divisors is an integer number (3061057500).

Almost surely, 2^54180709785 is an apocalyptic number.

It is an amenable number.

54180709785 is a deficient number, since it is larger than the sum of its proper divisors (43773130215).

54180709785 is a wasteful number, since it uses less digits than its factorization.

54180709785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6802422 (or 6802416 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 54.

The spelling of 54180709785 in words is "fifty-four billion, one hundred eighty million, seven hundred nine thousand, seven hundred eighty-five".