54253109 has 2 divisors, whose sum is σ = 54253110. Its totient is φ = 54253108.

The previous prime is 54253093. The next prime is 54253139. The reversal of 54253109 is 90135245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32890225 + 21362884 = 5735^2 + 4622^2 .

It is a cyclic number.

It is not a de Polignac number, because 54253109 - 2⁴ = 54253093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54253139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27126554 + 27126555.

It is an arithmetic number, because the mean of its divisors is an integer number (27126555).

Almost surely, 2^54253109 is an apocalyptic number.

It is an amenable number.

54253109 is a deficient number, since it is larger than the sum of its proper divisors (1).

54253109 is an equidigital number, since it uses as much as digits as its factorization.

54253109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 54253109 is about 7365.6709809765. The cubic root of 54253109 is about 378.5659453477.

It can be divided in two parts, 542 and 53109, that multiplied together give a triangular number (28785078 = T₇₅₈₇).

The spelling of 54253109 in words is "fifty-four million, two hundred fifty-three thousand, one hundred nine".