56403541 has 2 divisors, whose sum is σ = 56403542. Its totient is φ = 56403540.

The previous prime is 56403517. The next prime is 56403583. The reversal of 56403541 is 14530465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52620516 + 3783025 = 7254^2 + 1945^2 .

It is a cyclic number.

It is not a de Polignac number, because 56403541 - 2¹³ = 56395349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56403511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28201770 + 28201771.

It is an arithmetic number, because the mean of its divisors is an integer number (28201771).

Almost surely, 2^56403541 is an apocalyptic number.

It is an amenable number.

56403541 is a deficient number, since it is larger than the sum of its proper divisors (1).

56403541 is an equidigital number, since it uses as much as digits as its factorization.

56403541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 56403541 is about 7510.2290910464. The cubic root of 56403541 is about 383.5030214503.

The spelling of 56403541 in words is "fifty-six million, four hundred three thousand, five hundred forty-one".