54457420 has 48 divisors (see below), whose sum is σ = 121363200. Its totient is φ = 20468160.

The previous prime is 54457411. The next prime is 54457423. The reversal of 54457420 is 2475445.

It is a super-2 number, since 2×54457420² = 5931221186112800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54457423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52305 + ... + 53335.

It is an arithmetic number, because the mean of its divisors is an integer number (2528400).

Almost surely, 2^54457420 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 54457420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60681600).

54457420 is an abundant number, since it is smaller than the sum of its proper divisors (66905780).

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

54457420 is a wasteful number, since it uses less digits than its factorization.

54457420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198 (or 1196 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 54457420 is about 7379.5270851187. The cubic root of 54457420 is about 379.0405620708.

The spelling of 54457420 in words is "fifty-four million, four hundred fifty-seven thousand, four hundred twenty".