54149461 has 2 divisors, whose sum is σ = 54149462. Its totient is φ = 54149460.

The previous prime is 54149413. The next prime is 54149483. The reversal of 54149461 is 16494145.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30041361 + 24108100 = 5481^2 + 4910^2 .

It is a cyclic number.

It is not a de Polignac number, because 54149461 - 2⁹ = 54148949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54149401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27074730 + 27074731.

It is an arithmetic number, because the mean of its divisors is an integer number (27074731).

Almost surely, 2^54149461 is an apocalyptic number.

It is an amenable number.

54149461 is a deficient number, since it is larger than the sum of its proper divisors (1).

54149461 is an equidigital number, since it uses as much as digits as its factorization.

54149461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 54149461 is about 7358.6317342289. The cubic root of 54149461 is about 378.3247142147.

The spelling of 54149461 in words is "fifty-four million, one hundred forty-nine thousand, four hundred sixty-one".