54404661 has 8 divisors (see below), whose sum is σ = 72735520. Its totient is φ = 36171792.

The previous prime is 54404653. The next prime is 54404677. The reversal of 54404661 is 16640445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54404661 - 2³ = 54404653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54404611) 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, 23191 + ... + 25428.

It is an arithmetic number, because the mean of its divisors is an integer number (9091940).

Almost surely, 2^54404661 is an apocalyptic number.

It is an amenable number.

54404661 is a deficient number, since it is larger than the sum of its proper divisors (18330859).

54404661 is a wasteful number, since it uses less digits than its factorization.

54404661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48995.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 54404661 is about 7375.9515318364. The cubic root of 54404661 is about 378.9181161762.

It can be divided in two parts, 5440 and 4661, that added together give a palindrome (10101).

The spelling of 54404661 in words is "fifty-four million, four hundred four thousand, six hundred sixty-one".