54857311 has 2 divisors, whose sum is σ = 54857312. Its totient is φ = 54857310.

The previous prime is 54857291. The next prime is 54857333. The reversal of 54857311 is 11375845.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54857311 - 2¹¹ = 54855263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54857371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27428655 + 27428656.

It is an arithmetic number, because the mean of its divisors is an integer number (27428656).

Almost surely, 2^54857311 is an apocalyptic number.

54857311 is a deficient number, since it is larger than the sum of its proper divisors (1).

54857311 is an equidigital number, since it uses as much as digits as its factorization.

54857311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 34.

The square root of 54857311 is about 7406.5721491119. The cubic root of 54857311 is about 379.9660888483.

The spelling of 54857311 in words is "fifty-four million, eight hundred fifty-seven thousand, three hundred eleven".