56904041 has 4 divisors (see below), whose sum is σ = 57193092. Its totient is φ = 56614992.

The previous prime is 56903999. The next prime is 56904073. The reversal of 56904041 is 14040965.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14040965 = 5 ⋅2808193.

It can be written as a sum of positive squares in 2 ways, for example, as 56190016 + 714025 = 7496^2 + 845^2 .

It is a cyclic number.

It is not a de Polignac number, because 56904041 - 2¹⁴ = 56887657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56903995 and 56904013.

It is not an unprimeable number, because it can be changed into a prime (56901041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144230 + ... + 144623.

It is an arithmetic number, because the mean of its divisors is an integer number (14298273).

Almost surely, 2^56904041 is an apocalyptic number.

It is an amenable number.

56904041 is a deficient number, since it is larger than the sum of its proper divisors (289051).

56904041 is a wasteful number, since it uses less digits than its factorization.

56904041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289050.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 56904041 is about 7543.4767183309. The cubic root of 56904041 is about 384.6340278932.

The spelling of 56904041 in words is "fifty-six million, nine hundred four thousand, forty-one".