54400440413 has 16 divisors (see below), whose sum is σ = 60707840256. Its totient is φ = 48323471040.

The previous prime is 54400440383. The next prime is 54400440421. The reversal of 54400440413 is 31404400445.

It is a cyclic number.

It is not a de Polignac number, because 54400440413 - 2²² = 54396246109 is a prime.

It is a super-2 number, since 2×54400440413² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54400440433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231095 + ... + 402747.

It is an arithmetic number, because the mean of its divisors is an integer number (3794240016).

Almost surely, 2^54400440413 is an apocalyptic number.

It is an amenable number.

54400440413 is a deficient number, since it is larger than the sum of its proper divisors (6307399843).

54400440413 is a wasteful number, since it uses less digits than its factorization.

54400440413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172324.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 54400440413 its reverse (31404400445), we get a palindrome (85804840858).

The spelling of 54400440413 in words is "fifty-four billion, four hundred million, four hundred forty thousand, four hundred thirteen".