54405616 has 20 divisors (see below), whose sum is σ = 105527224. Its totient is φ = 27172800.

The previous prime is 54405601. The next prime is 54405629. The reversal of 54405616 is 61650445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23386 + ... + 25606.

Almost surely, 2^54405616 is an apocalyptic number.

It is an amenable number.

54405616 is a deficient number, since it is larger than the sum of its proper divisors (51121608).

54405616 is a wasteful number, since it uses less digits than its factorization.

54405616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3760 (or 3754 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 54405616 is about 7376.0162689625. The cubic root of 54405616 is about 378.9203332944.

The spelling of 54405616 in words is "fifty-four million, four hundred five thousand, six hundred sixteen".