54398390 has 16 divisors (see below), whose sum is σ = 100306080. Its totient is φ = 21228480.

The previous prime is 54398389. The next prime is 54398423. The reversal of 54398390 is 9389345.

It is a Harshad number since it is a multiple of its sum of digits (41).

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, 65930 + ... + 66749.

It is an arithmetic number, because the mean of its divisors is an integer number (6269130).

Almost surely, 2^54398390 is an apocalyptic number.

54398390 is a deficient number, since it is larger than the sum of its proper divisors (45907690).

54398390 is a wasteful number, since it uses less digits than its factorization.

54398390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132727.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 54398390 is about 7375.5264218902. The cubic root of 54398390 is about 378.9035568427.

The spelling of 54398390 in words is "fifty-four million, three hundred ninety-eight thousand, three hundred ninety".