54915398 has 16 divisors (see below), whose sum is σ = 86145120. Its totient is φ = 26205696.

The previous prime is 54915383. The next prime is 54915409. The reversal of 54915398 is 89351945.

It is a happy number.

54915398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25508 + ... + 27576.

It is an arithmetic number, because the mean of its divisors is an integer number (5384070).

Almost surely, 2^54915398 is an apocalyptic number.

54915398 is a deficient number, since it is larger than the sum of its proper divisors (31229722).

54915398 is a wasteful number, since it uses less digits than its factorization.

54915398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671.

The product of its digits is 194400, while the sum is 44.

The square root of 54915398 is about 7410.4924262832. The cubic root of 54915398 is about 380.1001536564.

The spelling of 54915398 in words is "fifty-four million, nine hundred fifteen thousand, three hundred ninety-eight".