54656420 has 96 divisors (see below), whose sum is σ = 143942400. Its totient is φ = 16971264.

The previous prime is 54656419. The next prime is 54656429. The reversal of 54656420 is 2465645.

It is not an unprimeable number, because it can be changed into a prime (54656429) 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, 107126 + ... + 107634.

It is an arithmetic number, because the mean of its divisors is an integer number (1499400).

Almost surely, 2^54656420 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 54656420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71971200).

54656420 is an abundant number, since it is smaller than the sum of its proper divisors (89285980).

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

54656420 is a wasteful number, since it uses less digits than its factorization.

54656420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 54656420 is about 7392.9980386850. The cubic root of 54656420 is about 379.5017014313.

The spelling of 54656420 in words is "fifty-four million, six hundred fifty-six thousand, four hundred twenty".