54586082978 has 32 divisors (see below), whose sum is σ = 93997031040. Its totient is φ = 23289045120.

The previous prime is 54586082939. The next prime is 54586082981. The reversal of 54586082978 is 87928068545.

It is a super-2 number, since 2×54586082978² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 54586082978.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2962133 + ... + 2980503.

It is an arithmetic number, because the mean of its divisors is an integer number (2937407220).

Almost surely, 2^54586082978 is an apocalyptic number.

54586082978 is a deficient number, since it is larger than the sum of its proper divisors (39410948062).

54586082978 is a wasteful number, since it uses less digits than its factorization.

54586082978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19322.

The product of its (nonzero) digits is 38707200, while the sum is 62.

The spelling of 54586082978 in words is "fifty-four billion, five hundred eighty-six million, eighty-two thousand, nine hundred seventy-eight".