54278000 has 80 divisors (see below), whose sum is σ = 150032064. Its totient is φ = 18604800.

The previous prime is 54277987. The next prime is 54278017. The reversal of 54278000 is 87245.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×54278000² = 5892202568000000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12062 + ... + 15938.

Almost surely, 2^54278000 is an apocalyptic number.

54278000 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 54278000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75016032).

54278000 is an abundant number, since it is smaller than the sum of its proper divisors (95754064).

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

54278000 is a wasteful number, since it uses less digits than its factorization.

54278000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907 (or 3891 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 54278000 is about 7367.3604499848. The cubic root of 54278000 is about 378.6238310888.

The spelling of 54278000 in words is "fifty-four million, two hundred seventy-eight thousand".