56404541 has 2 divisors, whose sum is σ = 56404542. Its totient is φ = 56404540.

The previous prime is 56404501. The next prime is 56404547. The reversal of 56404541 is 14540465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43943641 + 12460900 = 6629^2 + 3530^2 .

It is a cyclic number.

It is not a de Polignac number, because 56404541 - 2⁶ = 56404477 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56404547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28202270 + 28202271.

It is an arithmetic number, because the mean of its divisors is an integer number (28202271).

Almost surely, 2^56404541 is an apocalyptic number.

It is an amenable number.

56404541 is a deficient number, since it is larger than the sum of its proper divisors (1).

56404541 is an equidigital number, since it uses as much as digits as its factorization.

56404541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 56404541 is about 7510.2956666166. The cubic root of 56404541 is about 383.5052878610.

The spelling of 56404541 in words is "fifty-six million, four hundred four thousand, five hundred forty-one".