54361091 has 2 divisors, whose sum is σ = 54361092. Its totient is φ = 54361090.

The previous prime is 54361081. The next prime is 54361117. The reversal of 54361091 is 19016345.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54361091 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (54361081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27180545 + 27180546.

It is an arithmetic number, because the mean of its divisors is an integer number (27180546).

Almost surely, 2^54361091 is an apocalyptic number.

54361091 is a deficient number, since it is larger than the sum of its proper divisors (1).

54361091 is an equidigital number, since it uses as much as digits as its factorization.

54361091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 54361091 is about 7372.9974230295. The cubic root of 54361091 is about 378.8169369072.

The spelling of 54361091 in words is "fifty-four million, three hundred sixty-one thousand, ninety-one".