54516155 has 4 divisors (see below), whose sum is σ = 65419392. Its totient is φ = 43612920.

The previous prime is 54516151. The next prime is 54516157. The reversal of 54516155 is 55161545.

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

It is not a de Polignac number, because 54516155 - 2² = 54516151 is a prime.

It is a super-2 number, since 2×54516155² = 5944022311968050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54516151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5451611 + ... + 5451620.

It is an arithmetic number, because the mean of its divisors is an integer number (16354848).

Almost surely, 2^54516155 is an apocalyptic number.

54516155 is a deficient number, since it is larger than the sum of its proper divisors (10903237).

54516155 is a wasteful number, since it uses less digits than its factorization.

54516155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10903236.

The product of its digits is 15000, while the sum is 32.

The square root of 54516155 is about 7383.5056037089. The cubic root of 54516155 is about 379.1767843910.

The spelling of 54516155 in words is "fifty-four million, five hundred sixteen thousand, one hundred fifty-five".