55494 has 12 divisors (see below), whose sum is σ = 120276. Its totient is φ = 18492.

The previous prime is 55487. The next prime is 55501. The reversal of 55494 is 49455.

55494 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55487) and next prime (55501).

It is an Ulam number.

It is a Curzon number.

It is a plaindrome in base 15.

It is a nialpdrome in base 9.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 55494.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1524 + ... + 1559.

It is an arithmetic number, because the mean of its divisors is an integer number (10023).

2⁵⁵⁴⁹⁴ is an apocalyptic number.

55494 is an abundant number, since it is smaller than the sum of its proper divisors (64782).

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

55494 is a wasteful number, since it uses less digits than its factorization.

55494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091 (or 3088 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 55494 is about 235.5716451528. The cubic root of 55494 is about 38.1430435061.

The spelling of 55494 in words is "fifty-five thousand, four hundred ninety-four".