54012420 has 240 divisors, whose sum is σ = 211736448. Its totient is φ = 11197440.

The previous prime is 54012397. The next prime is 54012433. The reversal of 54012420 is 2421045.

54012420 is a `hidden beast` number, since 540 + 124 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 54012393 and 54012402.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 124524 + ... + 124956.

Almost surely, 2^54012420 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 54012420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105868224).

54012420 is an abundant number, since it is smaller than the sum of its proper divisors (157724028).

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

54012420 is a wasteful number, since it uses less digits than its factorization.

54012420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 54012420 is about 7349.3142537246. The cubic root of 54012420 is about 378.0052909312.

Adding to 54012420 its reverse (2421045), we get a palindrome (56433465).

The spelling of 54012420 in words is "fifty-four million, twelve thousand, four hundred twenty".