54103320978 has 32 divisors (see below), whose sum is σ = 123683863680. Its totient is φ = 15455700480.

The previous prime is 54103320977. The next prime is 54103320979. The reversal of 54103320978 is 87902330145.

It is an interprime number because it is at equal distance from previous prime (54103320977) and next prime (54103320979).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (54103320977) 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 15 ways as a sum of consecutive naturals, for example, 184648 + ... + 377228.

It is an arithmetic number, because the mean of its divisors is an integer number (3865120740).

Almost surely, 2^54103320978 is an apocalyptic number.

54103320978 is an abundant number, since it is smaller than the sum of its proper divisors (69580542702).

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

54103320978 is a wasteful number, since it uses less digits than its factorization.

54103320978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199282.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 54103320978 in words is "fifty-four billion, one hundred three million, three hundred twenty thousand, nine hundred seventy-eight".