54211155 has 16 divisors (see below), whose sum is σ = 86833824. Its totient is φ = 28880640.

The previous prime is 54211151. The next prime is 54211159. The reversal of 54211155 is 55111245.

It is an interprime number because it is at equal distance from previous prime (54211151) and next prime (54211159).

It is not a de Polignac number, because 54211155 - 2² = 54211151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54211151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19407 + ... + 22023.

It is an arithmetic number, because the mean of its divisors is an integer number (5427114).

Almost surely, 2^54211155 is an apocalyptic number.

54211155 is a deficient number, since it is larger than the sum of its proper divisors (32622669).

54211155 is a wasteful number, since it uses less digits than its factorization.

54211155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006.

The product of its digits is 1000, while the sum is 24.

The square root of 54211155 is about 7362.8224886928. The cubic root of 54211155 is about 378.4683383369.

The spelling of 54211155 in words is "fifty-four million, two hundred eleven thousand, one hundred fifty-five".