54140089 has 2 divisors, whose sum is σ = 54140090. Its totient is φ = 54140088.

The previous prime is 54140057. The next prime is 54140117. The reversal of 54140089 is 98004145.

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., 35581225 + 18558864 = 5965^2 + 4308^2 .

It is a cyclic number.

It is not a de Polignac number, because 54140089 - 2⁵ = 54140057 is a prime.

It is a super-2 number, since 2×54140089² = 5862298473855842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54140089.

It is not a weakly prime, because it can be changed into another prime (54140029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27070044 + 27070045.

It is an arithmetic number, because the mean of its divisors is an integer number (27070045).

Almost surely, 2^54140089 is an apocalyptic number.

It is an amenable number.

54140089 is a deficient number, since it is larger than the sum of its proper divisors (1).

54140089 is an equidigital number, since it uses as much as digits as its factorization.

54140089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 54140089 is about 7357.9949035046. The cubic root of 54140089 is about 378.3028865810.

The spelling of 54140089 in words is "fifty-four million, one hundred forty thousand, eighty-nine".