54399345 has 64 divisors (see below), whose sum is σ = 116895744. Its totient is φ = 20862720.

The previous prime is 54399341. The next prime is 54399349.

It is a happy number.

54399345 is nontrivially palindromic in base 10.

54399345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (54399341) and next prime (54399349).

It is not a de Polignac number, because 54399345 - 2² = 54399341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54399297 and 54399306.

It is not an unprimeable number, because it can be changed into a prime (54399341) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 13204 + ... + 16826.

It is an arithmetic number, because the mean of its divisors is an integer number (1826496).

Almost surely, 2^54399345 is an apocalyptic number.

54399345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54399345 is an abundant number, since it is smaller than the sum of its proper divisors (62496399).

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

54399345 is a wasteful number, since it uses less digits than its factorization.

54399345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3662.

The product of its digits is 291600, while the sum is 42.

The square root of 54399345 is about 7375.5911627476. The cubic root of 54399345 is about 378.9057741313.

The spelling of 54399345 in words is "fifty-four million, three hundred ninety-nine thousand, three hundred forty-five".