54551011 has 4 divisors (see below), whose sum is σ = 57759912. Its totient is φ = 51342112.

The previous prime is 54550999. The next prime is 54551027. The reversal of 54551011 is 11015545.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54551011 - 2⁷ = 54550883 is a prime.

It is a super-2 number, since 2×54551011² = 5951625602244242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54551111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1604425 + ... + 1604458.

It is an arithmetic number, because the mean of its divisors is an integer number (14439978).

Almost surely, 2^54551011 is an apocalyptic number.

54551011 is a deficient number, since it is larger than the sum of its proper divisors (3208901).

54551011 is a wasteful number, since it uses less digits than its factorization.

54551011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3208900.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 54551011 is about 7385.8656229314. The cubic root of 54551011 is about 379.2575786084.

Adding to 54551011 its reverse (11015545), we get a palindrome (65566556).

The spelling of 54551011 in words is "fifty-four million, five hundred fifty-one thousand, eleven".