56541623 has 2 divisors, whose sum is σ = 56541624. Its totient is φ = 56541622.

The previous prime is 56541593. The next prime is 56541637. The reversal of 56541623 is 32614565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56541623 - 2⁶ = 56541559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56541623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56543623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28270811 + 28270812.

It is an arithmetic number, because the mean of its divisors is an integer number (28270812).

Almost surely, 2^56541623 is an apocalyptic number.

56541623 is a deficient number, since it is larger than the sum of its proper divisors (1).

56541623 is an equidigital number, since it uses as much as digits as its factorization.

56541623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 32.

The square root of 56541623 is about 7519.4164002268. The cubic root of 56541623 is about 383.8157187790.

The spelling of 56541623 in words is "fifty-six million, five hundred forty-one thousand, six hundred twenty-three".