54149888 has 72 divisors (see below), whose sum is σ = 118985328. Its totient is φ = 24440832.

The previous prime is 54149861. The next prime is 54149891. The reversal of 54149888 is 88894145.

It is a happy number.

It is a super-3 number, since 3×54149888³ (a number of 24 digits) contains 333 as substring.

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, 176231 + ... + 176537.

It is an arithmetic number, because the mean of its divisors is an integer number (1652574).

Almost surely, 2^54149888 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 54149888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59492664).

54149888 is an abundant number, since it is smaller than the sum of its proper divisors (64835440).

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

54149888 is a wasteful number, since it uses less digits than its factorization.

54149888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 375 counting only the distinct ones).

The product of its digits is 368640, while the sum is 47.

The square root of 54149888 is about 7358.6607477176. The cubic root of 54149888 is about 378.3257086489.

The spelling of 54149888 in words is "fifty-four million, one hundred forty-nine thousand, eight hundred eighty-eight".