54647406 has 64 divisors (see below), whose sum is σ = 133436160. Its totient is φ = 16440480.

The previous prime is 54647377. The next prime is 54647407. The reversal of 54647406 is 60474645.

54647406 is a `hidden beast` number, since 5 + 4 + 647 + 4 + 0 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54647407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116785 + ... + 117251.

It is an arithmetic number, because the mean of its divisors is an integer number (2084940).

Almost surely, 2^54647406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54647406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66718080).

54647406 is an abundant number, since it is smaller than the sum of its proper divisors (78788754).

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

54647406 is a wasteful number, since it uses less digits than its factorization.

54647406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 54647406 is about 7392.3883826541. The cubic root of 54647406 is about 379.4808376645.

The spelling of 54647406 in words is "fifty-four million, six hundred forty-seven thousand, four hundred six".