54257500 has 60 divisors (see below), whose sum is σ = 129502296. Its totient is φ = 19720000.

The previous prime is 54257479. The next prime is 54257501. The reversal of 54257500 is 575245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54257501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26514 + ... + 28486.

Almost surely, 2^54257500 is an apocalyptic number.

54257500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54257500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64751148).

54257500 is an abundant number, since it is smaller than the sum of its proper divisors (75244796).

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

54257500 is a wasteful number, since it uses less digits than its factorization.

54257500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008 (or 1991 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 54257500 is about 7365.9690469075. The cubic root of 54257500 is about 378.5761582077.

The spelling of 54257500 in words is "fifty-four million, two hundred fifty-seven thousand, five hundred".