56541553 has 2 divisors, whose sum is σ = 56541554. Its totient is φ = 56541552.

The previous prime is 56541547. The next prime is 56541559. The reversal of 56541553 is 35514565.

It is a balanced prime because it is at equal distance from previous prime (56541547) and next prime (56541559).

It can be written as a sum of positive squares in only one way, i.e., 52881984 + 3659569 = 7272^2 + 1913^2 .

It is a cyclic number.

It is not a de Polignac number, because 56541553 - 2¹³ = 56533361 is a prime.

It is not a weakly prime, because it can be changed into another prime (56541559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28270776 + 28270777.

It is an arithmetic number, because the mean of its divisors is an integer number (28270777).

Almost surely, 2^56541553 is an apocalyptic number.

It is an amenable number.

56541553 is a deficient number, since it is larger than the sum of its proper divisors (1).

56541553 is an equidigital number, since it uses as much as digits as its factorization.

56541553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45000, while the sum is 34.

The square root of 56541553 is about 7519.4117456088. The cubic root of 56541553 is about 383.8155603877.

The spelling of 56541553 in words is "fifty-six million, five hundred forty-one thousand, five hundred fifty-three".