56409541 has 8 divisors (see below), whose sum is σ = 57826944. Its totient is φ = 55001280.

The previous prime is 56409527. The next prime is 56409557. The reversal of 56409541 is 14590465.

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

It is not a de Polignac number, because 56409541 - 2¹³ = 56401349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56409497 and 56409506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56409581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11181 + ... + 15421.

It is an arithmetic number, because the mean of its divisors is an integer number (7228368).

Almost surely, 2^56409541 is an apocalyptic number.

It is an amenable number.

56409541 is a deficient number, since it is larger than the sum of its proper divisors (1417403).

56409541 is a wasteful number, since it uses less digits than its factorization.

56409541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4571.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 56409541 is about 7510.6285356154. The cubic root of 56409541 is about 383.5166195123.

The spelling of 56409541 in words is "fifty-six million, four hundred nine thousand, five hundred forty-one".