54815711 has 2 divisors, whose sum is σ = 54815712. Its totient is φ = 54815710.

The previous prime is 54815699. The next prime is 54815777. The reversal of 54815711 is 11751845.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54815711 - 2²² = 50621407 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54818711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27407855 + 27407856.

It is an arithmetic number, because the mean of its divisors is an integer number (27407856).

Almost surely, 2^54815711 is an apocalyptic number.

54815711 is a deficient number, since it is larger than the sum of its proper divisors (1).

54815711 is an equidigital number, since it uses as much as digits as its factorization.

54815711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5600, while the sum is 32.

The square root of 54815711 is about 7403.7632998361. The cubic root of 54815711 is about 379.8700178705.

The spelling of 54815711 in words is "fifty-four million, eight hundred fifteen thousand, seven hundred eleven".