54400413 has 16 divisors (see below), whose sum is σ = 74342016. Its totient is φ = 35374080.

The previous prime is 54400373. The next prime is 54400421. The reversal of 54400413 is 31400445.

It is not a de Polignac number, because 54400413 - 2¹² = 54396317 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54400413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54400453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19345 + ... + 21977.

It is an arithmetic number, because the mean of its divisors is an integer number (4646376).

Almost surely, 2^54400413 is an apocalyptic number.

It is an amenable number.

54400413 is a deficient number, since it is larger than the sum of its proper divisors (19941603).

54400413 is a wasteful number, since it uses less digits than its factorization.

54400413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 54400413 is about 7375.6635633684. The cubic root of 54400413 is about 378.9082537489.

Adding to 54400413 its reverse (31400445), we get a palindrome (85800858).

The spelling of 54400413 in words is "fifty-four million, four hundred thousand, four hundred thirteen".