54215700 has 144 divisors (see below), whose sum is σ = 195654144. Its totient is φ = 11260800.

The previous prime is 54215687. The next prime is 54215701. The reversal of 54215700 is 751245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54215701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21927 + ... + 24273.

Almost surely, 2^54215700 is an apocalyptic number.

54215700 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 54215700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97827072).

54215700 is an abundant number, since it is smaller than the sum of its proper divisors (141438444).

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

54215700 is a wasteful number, since it uses less digits than its factorization.

54215700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382 (or 2375 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 54215700 is about 7363.1311274484. The cubic root of 54215700 is about 378.4789148227.

Adding to 54215700 its reverse (751245), we get a palindrome (54966945).

The spelling of 54215700 in words is "fifty-four million, two hundred fifteen thousand, seven hundred".