54795981 has 32 divisors (see below), whose sum is σ = 82131840. Its totient is φ = 32292864.

The previous prime is 54795973. The next prime is 54796009. The reversal of 54795981 is 18959745.

54795981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54795981 - 2³ = 54795973 is a prime.

It is a super-2 number, since 2×54795981² = 6005199067504722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

Its product of digits (453600) is a multiple of the sum of its prime divisors (525).

It is a self number, because there is not a number n which added to its sum of digits gives 54795981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54795911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186871 + ... + 187163.

It is an arithmetic number, because the mean of its divisors is an integer number (2566620).

Almost surely, 2^54795981 is an apocalyptic number.

54795981 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

54795981 is a deficient number, since it is larger than the sum of its proper divisors (27335859).

54795981 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (54795980) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (525).

54795981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525.

The product of its digits is 453600, while the sum is 48.

The square root of 54795981 is about 7402.4307494228. The cubic root of 54795981 is about 379.8244364443.

The spelling of 54795981 in words is "fifty-four million, seven hundred ninety-five thousand, nine hundred eighty-one".