54401090 has 32 divisors (see below), whose sum is σ = 100604160. Its totient is φ = 21170304.

The previous prime is 54401057. The next prime is 54401093. The reversal of 54401090 is 9010445.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (54401093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132806 + ... + 133214.

It is an arithmetic number, because the mean of its divisors is an integer number (3143880).

Almost surely, 2^54401090 is an apocalyptic number.

54401090 is a deficient number, since it is larger than the sum of its proper divisors (46203070).

54401090 is a wasteful number, since it uses less digits than its factorization.

54401090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 54401090 is about 7375.7094574014. The cubic root of 54401090 is about 378.9098255496.

The spelling of 54401090 in words is "fifty-four million, four hundred one thousand, ninety".