54381900 has 36 divisors (see below), whose sum is σ = 157345832. Its totient is φ = 14501760.

The previous prime is 54381889. The next prime is 54381923. The reversal of 54381900 is 918345.

It is a super-2 number, since 2×54381900² = 5914782095220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90337 + ... + 90936.

Almost surely, 2^54381900 is an apocalyptic number.

54381900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

54381900 is an abundant number, since it is smaller than the sum of its proper divisors (102963932).

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

54381900 is a wasteful number, since it uses less digits than its factorization.

54381900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181290 (or 181283 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 54381900 is about 7374.4084508522. The cubic root of 54381900 is about 378.8652667935.

The spelling of 54381900 in words is "fifty-four million, three hundred eighty-one thousand, nine hundred".