54423157 has 2 divisors, whose sum is σ = 54423158. Its totient is φ = 54423156.

The previous prime is 54423107. The next prime is 54423167. The reversal of 54423157 is 75132445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47900241 + 6522916 = 6921^2 + 2554^2 .

It is a cyclic number.

It is not a de Polignac number, because 54423157 - 2⁷ = 54423029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54423107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27211578 + 27211579.

It is an arithmetic number, because the mean of its divisors is an integer number (27211579).

Almost surely, 2^54423157 is an apocalyptic number.

It is an amenable number.

54423157 is a deficient number, since it is larger than the sum of its proper divisors (1).

54423157 is an equidigital number, since it uses as much as digits as its factorization.

54423157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 31.

The square root of 54423157 is about 7377.2052296246. The cubic root of 54423157 is about 378.9610516850.

The spelling of 54423157 in words is "fifty-four million, four hundred twenty-three thousand, one hundred fifty-seven".