54689390 has 24 divisors (see below), whose sum is σ = 114513912. Its totient is φ = 18750480.

The previous prime is 54689387. The next prime is 54689399. The reversal of 54689390 is 9398645.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54689399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55316 + ... + 56295.

It is an arithmetic number, because the mean of its divisors is an integer number (4771413).

Almost surely, 2^54689390 is an apocalyptic number.

54689390 is an abundant number, since it is smaller than the sum of its proper divisors (59824522).

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

54689390 is a wasteful number, since it uses less digits than its factorization.

54689390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111632 (or 111625 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 54689390 is about 7395.2275150938. The cubic root of 54689390 is about 379.5779941222.

The spelling of 54689390 in words is "fifty-four million, six hundred eighty-nine thousand, three hundred ninety".