54413561 has 12 divisors (see below), whose sum is σ = 57593088. Its totient is φ = 51311304.

The previous prime is 54413539. The next prime is 54413573. The reversal of 54413561 is 16531445.

It is a happy number.

It is not a de Polignac number, because 54413561 - 2⁶ = 54413497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54413521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243896 + ... + 244118.

It is an arithmetic number, because the mean of its divisors is an integer number (4799424).

Almost surely, 2^54413561 is an apocalyptic number.

It is an amenable number.

54413561 is a deficient number, since it is larger than the sum of its proper divisors (3179527).

54413561 is a wasteful number, since it uses less digits than its factorization.

54413561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 349 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 54413561 is about 7376.5548191551. The cubic root of 54413561 is about 378.9387773187.

The spelling of 54413561 in words is "fifty-four million, four hundred thirteen thousand, five hundred sixty-one".