54278949 has 8 divisors (see below), whose sum is σ = 72460192. Its totient is φ = 36141840.

The previous prime is 54278947. The next prime is 54278951. The reversal of 54278949 is 94987245.

It is an interprime number because it is at equal distance from previous prime (54278947) and next prime (54278951).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54278949 - 2¹ = 54278947 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54278898 and 54278907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54278947) 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, 8047 + ... + 13164.

It is an arithmetic number, because the mean of its divisors is an integer number (9057524).

Almost surely, 2^54278949 is an apocalyptic number.

It is an amenable number.

54278949 is a deficient number, since it is larger than the sum of its proper divisors (18181243).

54278949 is a wasteful number, since it uses less digits than its factorization.

54278949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22067.

The product of its digits is 725760, while the sum is 48.

The square root of 54278949 is about 7367.4248554023. The cubic root of 54278949 is about 378.6260377036.

The spelling of 54278949 in words is "fifty-four million, two hundred seventy-eight thousand, nine hundred forty-nine".