54865494 has 72 divisors (see below), whose sum is σ = 129308400. Its totient is φ = 16803072.

The previous prime is 54865417. The next prime is 54865501. The reversal of 54865494 is 49456845.

54865494 is a `hidden beast` number, since 548 + 65 + 49 + 4 = 666.

54865494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 275607 + ... + 275805.

It is an arithmetic number, because the mean of its divisors is an integer number (1795950).

Almost surely, 2^54865494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54865494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64654200).

54865494 is an abundant number, since it is smaller than the sum of its proper divisors (74442906).

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

54865494 is a wasteful number, since it uses less digits than its factorization.

54865494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 274 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 54865494 is about 7407.1245433029. The cubic root of 54865494 is about 379.9849809392.

The spelling of 54865494 in words is "fifty-four million, eight hundred sixty-five thousand, four hundred ninety-four".