54989278 has 8 divisors (see below), whose sum is σ = 85328280. Its totient is φ = 26546520.

The previous prime is 54989227. The next prime is 54989279. The reversal of 54989278 is 87298945.

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

It is a super-2 number, since 2×54989278² = 6047641389922568, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54989279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473988 + ... + 474103.

It is an arithmetic number, because the mean of its divisors is an integer number (10666035).

Almost surely, 2^54989278 is an apocalyptic number.

54989278 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

54989278 is a deficient number, since it is larger than the sum of its proper divisors (30339002).

54989278 is a wasteful number, since it uses less digits than its factorization.

54989278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948122.

The product of its digits is 1451520, while the sum is 52.

The square root of 54989278 is about 7415.4755747693. The cubic root of 54989278 is about 380.2705321936.

The spelling of 54989278 in words is "fifty-four million, nine hundred eighty-nine thousand, two hundred seventy-eight".