54911081 has 2 divisors, whose sum is σ = 54911082. Its totient is φ = 54911080.

The previous prime is 54911069. The next prime is 54911099. The reversal of 54911081 is 18011945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53509225 + 1401856 = 7315^2 + 1184^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54911081 is a prime.

It is a super-3 number, since 3×54911081³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (54910081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27455540 + 27455541.

It is an arithmetic number, because the mean of its divisors is an integer number (27455541).

Almost surely, 2^54911081 is an apocalyptic number.

It is an amenable number.

54911081 is a deficient number, since it is larger than the sum of its proper divisors (1).

54911081 is an equidigital number, since it uses as much as digits as its factorization.

54911081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 54911081 is about 7410.2011443685. The cubic root of 54911081 is about 380.0901932723.

The spelling of 54911081 in words is "fifty-four million, nine hundred eleven thousand, eighty-one".