54278448 has 40 divisors (see below), whose sum is σ = 160251648. Its totient is φ = 15508032.

The previous prime is 54278443. The next prime is 54278449. The reversal of 54278448 is 84487245.

It is a super-2 number, since 2×54278448² = 5892299834577408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (54278443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80436 + ... + 81107.

Almost surely, 2^54278448 is an apocalyptic number.

It is an amenable number.

54278448 is an abundant number, since it is smaller than the sum of its proper divisors (105973200).

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

54278448 is a wasteful number, since it uses less digits than its factorization.

54278448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161561 (or 161555 counting only the distinct ones).

The product of its digits is 286720, while the sum is 42.

The square root of 54278448 is about 7367.3908542984. The cubic root of 54278448 is about 378.6248727816.

The spelling of 54278448 in words is "fifty-four million, two hundred seventy-eight thousand, four hundred forty-eight".