54660420 has 168 divisors, whose sum is σ = 180686016. Its totient is φ = 13856832.

The previous prime is 54660413. The next prime is 54660449. The reversal of 54660420 is 2406645.

It is a happy number.

54660420 is a `hidden beast` number, since 54 + 6 + 604 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 335259 + ... + 335421.

It is an arithmetic number, because the mean of its divisors is an integer number (1075512).

Almost surely, 2^54660420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54660420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90343008).

54660420 is an abundant number, since it is smaller than the sum of its proper divisors (126025596).

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

54660420 is a wasteful number, since it uses less digits than its factorization.

54660420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 54660420 is about 7393.2685599808. The cubic root of 54660420 is about 379.5109590799.

The spelling of 54660420 in words is "fifty-four million, six hundred sixty thousand, four hundred twenty".