54540149 has 4 divisors (see below), whose sum is σ = 54631500. Its totient is φ = 54448800.

The previous prime is 54540137. The next prime is 54540169. The reversal of 54540149 is 94104545.

54540149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94104545 = 5 ⋅18820909.

It can be written as a sum of positive squares in 2 ways, for example, as 44649124 + 9891025 = 6682^2 + 3145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54540149 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 (54540169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44774 + ... + 45975.

It is an arithmetic number, because the mean of its divisors is an integer number (13657875).

Almost surely, 2^54540149 is an apocalyptic number.

It is an amenable number.

54540149 is a deficient number, since it is larger than the sum of its proper divisors (91351).

54540149 is an equidigital number, since it uses as much as digits as its factorization.

54540149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91350.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 54540149 is about 7385.1302628999. The cubic root of 54540149 is about 379.2324048051.

The spelling of 54540149 in words is "fifty-four million, five hundred forty thousand, one hundred forty-nine".