54506149 has 2 divisors, whose sum is σ = 54506150. Its totient is φ = 54506148.

The previous prime is 54506141. The next prime is 54506197. The reversal of 54506149 is 94160545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33849124 + 20657025 = 5818^2 + 4545^2 .

It is a cyclic number.

It is not a de Polignac number, because 54506149 - 2³ = 54506141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54506141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27253074 + 27253075.

It is an arithmetic number, because the mean of its divisors is an integer number (27253075).

Almost surely, 2^54506149 is an apocalyptic number.

It is an amenable number.

54506149 is a deficient number, since it is larger than the sum of its proper divisors (1).

54506149 is an equidigital number, since it uses as much as digits as its factorization.

54506149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 54506149 is about 7382.8279812007. The cubic root of 54506149 is about 379.1535846927.

The spelling of 54506149 in words is "fifty-four million, five hundred six thousand, one hundred forty-nine".