54681413 has 8 divisors (see below), whose sum is σ = 56207256. Its totient is φ = 53164800.

The previous prime is 54681409. The next prime is 54681433. The reversal of 54681413 is 31418645.

54681413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 187489 + 54493924 = 433^2 + 7382^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54681413 - 2² = 54681409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54681413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54681433) 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 7 ways as a sum of consecutive naturals, for example, 10703 + ... + 14963.

It is an arithmetic number, because the mean of its divisors is an integer number (7025907).

Almost surely, 2^54681413 is an apocalyptic number.

It is an amenable number.

54681413 is a deficient number, since it is larger than the sum of its proper divisors (1525843).

54681413 is a wasteful number, since it uses less digits than its factorization.

54681413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4615.

The product of its digits is 11520, while the sum is 32.

The square root of 54681413 is about 7394.6881611059. The cubic root of 54681413 is about 379.5595381299.

The spelling of 54681413 in words is "fifty-four million, six hundred eighty-one thousand, four hundred thirteen".