54767532978 has 48 divisors (see below), whose sum is σ = 127168831296. Its totient is φ = 16990158240.

The previous prime is 54767532977. The next prime is 54767532991. The reversal of 54767532978 is 87923576745.

54767532978 is a `hidden beast` number, since 5 + 4 + 7 + 6 + 7 + 532 + 97 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (54767532977) 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 23 ways as a sum of consecutive naturals, for example, 1772368 + ... + 1803003.

It is an arithmetic number, because the mean of its divisors is an integer number (2649350652).

Almost surely, 2^54767532978 is an apocalyptic number.

54767532978 is an abundant number, since it is smaller than the sum of its proper divisors (72401298318).

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

54767532978 is a wasteful number, since it uses less digits than its factorization.

54767532978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575439 (or 3575436 counting only the distinct ones).

The product of its digits is 88905600, while the sum is 63.

The spelling of 54767532978 in words is "fifty-four billion, seven hundred sixty-seven million, five hundred thirty-two thousand, nine hundred seventy-eight".