54442864 has 40 divisors (see below), whose sum is σ = 121112288. Its totient is φ = 23224320.

The previous prime is 54442807. The next prime is 54442877. The reversal of 54442864 is 46824445.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25984 + ... + 28000.

Almost surely, 2^54442864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54442864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60556144).

54442864 is an abundant number, since it is smaller than the sum of its proper divisors (66669424).

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

54442864 is a wasteful number, since it uses less digits than its factorization.

54442864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273 (or 2267 counting only the distinct ones).

The product of its digits is 122880, while the sum is 37.

The square root of 54442864 is about 7378.5407771456. The cubic root of 54442864 is about 379.0067876340.

The spelling of 54442864 in words is "fifty-four million, four hundred forty-two thousand, eight hundred sixty-four".