54644406 has 8 divisors (see below), whose sum is σ = 109288824. Its totient is φ = 18214800.

The previous prime is 54644393. The next prime is 54644407. The reversal of 54644406 is 60444645.

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

54644406 is an admirable number.

It is a super-2 number, since 2×54644406² = 5972022214185672, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54644407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4553695 + ... + 4553706.

It is an arithmetic number, because the mean of its divisors is an integer number (13661103).

Almost surely, 2^54644406 is an apocalyptic number.

54644406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

54644406 is a wasteful number, since it uses less digits than its factorization.

54644406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9107406.

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 54644406 is about 7392.1854684525. The cubic root of 54644406 is about 379.4738933682.

It can be divided in two parts, 5464 and 4406, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 54644406 in words is "fifty-four million, six hundred forty-four thousand, four hundred six".