54115541 has 2 divisors, whose sum is σ = 54115542. Its totient is φ = 54115540.

The previous prime is 54115519. The next prime is 54115559. The reversal of 54115541 is 14551145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54081316 + 34225 = 7354^2 + 185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54115541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54115541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54115141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27057770 + 27057771.

It is an arithmetic number, because the mean of its divisors is an integer number (27057771).

Almost surely, 2^54115541 is an apocalyptic number.

It is an amenable number.

54115541 is a deficient number, since it is larger than the sum of its proper divisors (1).

54115541 is an equidigital number, since it uses as much as digits as its factorization.

54115541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2000, while the sum is 26.

The square root of 54115541 is about 7356.3265968824. The cubic root of 54115541 is about 378.2457017029.

Adding to 54115541 its reverse (14551145), we get a palindrome (68666686).

The spelling of 54115541 in words is "fifty-four million, one hundred fifteen thousand, five hundred forty-one".