54981546 has 16 divisors (see below), whose sum is σ = 114744384. Its totient is φ = 17530304.

The previous prime is 54981541. The next prime is 54981581. The reversal of 54981546 is 64518945.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 54981498 and 54981507.

It is not an unprimeable number, because it can be changed into a prime (54981541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199071 + ... + 199346.

It is an arithmetic number, because the mean of its divisors is an integer number (7171524).

Almost surely, 2^54981546 is an apocalyptic number.

54981546 is an abundant number, since it is smaller than the sum of its proper divisors (59762838).

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

54981546 is a wasteful number, since it uses less digits than its factorization.

54981546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398445.

The product of its digits is 172800, while the sum is 42.

The square root of 54981546 is about 7414.9542142889. The cubic root of 54981546 is about 380.2527081760.

It can be divided in two parts, 54981 and 546, that multiplied together give a triangular number (30019626 = T₇₇₄₈).

The spelling of 54981546 in words is "fifty-four million, nine hundred eighty-one thousand, five hundred forty-six".