54865491 has 8 divisors (see below), whose sum is σ = 73275024. Its totient is φ = 36516480.

The previous prime is 54865417. The next prime is 54865501. The reversal of 54865491 is 19456845.

54865491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54865491 - 2¹⁴ = 54849107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54865411) 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 7 ways as a sum of consecutive naturals, for example, 12970 + ... + 16671.

It is an arithmetic number, because the mean of its divisors is an integer number (9159378).

Almost surely, 2^54865491 is an apocalyptic number.

54865491 is a deficient number, since it is larger than the sum of its proper divisors (18409533).

54865491 is a wasteful number, since it uses less digits than its factorization.

54865491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30261.

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

The square root of 54865491 is about 7407.1243407952. The cubic root of 54865491 is about 379.9849740134.

The spelling of 54865491 in words is "fifty-four million, eight hundred sixty-five thousand, four hundred ninety-one".