54078511 has 2 divisors, whose sum is σ = 54078512. Its totient is φ = 54078510.

The previous prime is 54078509. The next prime is 54078517. The reversal of 54078511 is 11587045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54078511 - 2¹ = 54078509 is a prime.

Together with 54078509, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54078517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27039255 + 27039256.

It is an arithmetic number, because the mean of its divisors is an integer number (27039256).

Almost surely, 2^54078511 is an apocalyptic number.

54078511 is a deficient number, since it is larger than the sum of its proper divisors (1).

54078511 is an equidigital number, since it uses as much as digits as its factorization.

54078511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 54078511 is about 7353.8092849897. The cubic root of 54078511 is about 378.1594071188.

The spelling of 54078511 in words is "fifty-four million, seventy-eight thousand, five hundred eleven".