54635543 has 2 divisors, whose sum is σ = 54635544. Its totient is φ = 54635542.

The previous prime is 54635519. The next prime is 54635561. The reversal of 54635543 is 34553645.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54635543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54635563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27317771 + 27317772.

It is an arithmetic number, because the mean of its divisors is an integer number (27317772).

Almost surely, 2^54635543 is an apocalyptic number.

54635543 is a deficient number, since it is larger than the sum of its proper divisors (1).

54635543 is an equidigital number, since it uses as much as digits as its factorization.

54635543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108000, while the sum is 35.

The square root of 54635543 is about 7391.5859597247. The cubic root of 54635543 is about 379.4533761172.

The spelling of 54635543 in words is "fifty-four million, six hundred thirty-five thousand, five hundred forty-three".