54380646 has 40 divisors (see below), whose sum is σ = 123873024. Its totient is φ = 17826480.

The previous prime is 54380633. The next prime is 54380653. The reversal of 54380646 is 64608345.

54380646 is a `hidden beast` number, since 5 + 4 + 3 + 8 + 0 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 54380646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7131 + ... + 12633.

Almost surely, 2^54380646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54380646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61936512).

54380646 is an abundant number, since it is smaller than the sum of its proper divisors (69492378).

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

54380646 is a wasteful number, since it uses less digits than its factorization.

54380646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5578 (or 5569 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 54380646 is about 7374.3234265931. The cubic root of 54380646 is about 378.8623546683.

The spelling of 54380646 in words is "fifty-four million, three hundred eighty thousand, six hundred forty-six".