54188145 has 24 divisors (see below), whose sum is σ = 102465792. Its totient is φ = 26272800.

The previous prime is 54188143. The next prime is 54188149.

54188145 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54188145 - 2¹ = 54188143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54188143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54241 + ... + 55230.

It is an arithmetic number, because the mean of its divisors is an integer number (4269408).

Almost surely, 2^54188145 is an apocalyptic number.

54188145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54188145 is a deficient number, since it is larger than the sum of its proper divisors (48277647).

54188145 is a wasteful number, since it uses less digits than its factorization.

54188145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109493 (or 109490 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

The square root of 54188145 is about 7361.2597427343. The cubic root of 54188145 is about 378.4147836219.

The spelling of 54188145 in words is "fifty-four million, one hundred eighty-eight thousand, one hundred forty-five".