54511151 has 4 divisors (see below), whose sum is σ = 54872304. Its totient is φ = 54150000.

The previous prime is 54511139. The next prime is 54511153. The reversal of 54511151 is 15111545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15111545 = 5 ⋅3022309.

It is a cyclic number.

It is not a de Polignac number, because 54511151 - 2¹⁴ = 54494767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54511153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180350 + ... + 180651.

It is an arithmetic number, because the mean of its divisors is an integer number (13718076).

Almost surely, 2^54511151 is an apocalyptic number.

54511151 is a deficient number, since it is larger than the sum of its proper divisors (361153).

54511151 is a wasteful number, since it uses less digits than its factorization.

54511151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361152.

The product of its digits is 500, while the sum is 23.

The square root of 54511151 is about 7383.1667325071. The cubic root of 54511151 is about 379.1651825782.

Adding to 54511151 its reverse (15111545), we get a palindrome (69622696).

It can be divided in two parts, 54511 and 151, that multiplied together give a square (8231161 = 2869²).

The spelling of 54511151 in words is "fifty-four million, five hundred eleven thousand, one hundred fifty-one".