54438258 has 48 divisors (see below), whose sum is σ = 127573056. Its totient is φ = 15170400.

The previous prime is 54438257. The next prime is 54438259. The reversal of 54438258 is 85283445.

It is an interprime number because it is at equal distance from previous prime (54438257) and next prime (54438259).

It is not an unprimeable number, because it can be changed into a prime (54438253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77308 + ... + 78008.

It is an arithmetic number, because the mean of its divisors is an integer number (2657772).

Almost surely, 2^54438258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54438258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63786528).

54438258 is an abundant number, since it is smaller than the sum of its proper divisors (73134798).

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

54438258 is a wasteful number, since it uses less digits than its factorization.

54438258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799 (or 756 counting only the distinct ones).

The product of its digits is 153600, while the sum is 39.

The square root of 54438258 is about 7378.2286492084. The cubic root of 54438258 is about 378.9960990309.

The spelling of 54438258 in words is "fifty-four million, four hundred thirty-eight thousand, two hundred fifty-eight".