54685390 has 16 divisors (see below), whose sum is σ = 100835280. Its totient is φ = 21340480.

The previous prime is 54685381. The next prime is 54685391. The reversal of 54685390 is 9358645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54685391) 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, 66280 + ... + 67099.

It is an arithmetic number, because the mean of its divisors is an integer number (6302205).

Almost surely, 2^54685390 is an apocalyptic number.

54685390 is a deficient number, since it is larger than the sum of its proper divisors (46149890).

54685390 is a wasteful number, since it uses less digits than its factorization.

54685390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133427.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 54685390 is about 7394.9570654602. The cubic root of 54685390 is about 379.5687397434.

The spelling of 54685390 in words is "fifty-four million, six hundred eighty-five thousand, three hundred ninety".