54401790 has 32 divisors (see below), whose sum is σ = 132358176. Its totient is φ = 14307840.

The previous prime is 54401777. The next prime is 54401801. The reversal of 54401790 is 9710445.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10231 + ... + 14610.

It is an arithmetic number, because the mean of its divisors is an integer number (4136193).

Almost surely, 2^54401790 is an apocalyptic number.

54401790 is an abundant number, since it is smaller than the sum of its proper divisors (77956386).

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

54401790 is a wasteful number, since it uses less digits than its factorization.

54401790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24924.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 54401790 is about 7375.7569103110. The cubic root of 54401790 is about 378.9114507360.

The spelling of 54401790 in words is "fifty-four million, four hundred one thousand, seven hundred ninety".