54777739 has 2 divisors, whose sum is σ = 54777740. Its totient is φ = 54777738.

The previous prime is 54777733. The next prime is 54777761. The reversal of 54777739 is 93777745.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54777739 - 2¹¹ = 54775691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54777692 and 54777701.

It is not a weakly prime, because it can be changed into another prime (54777733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27388869 + 27388870.

It is an arithmetic number, because the mean of its divisors is an integer number (27388870).

Almost surely, 2^54777739 is an apocalyptic number.

54777739 is a deficient number, since it is larger than the sum of its proper divisors (1).

54777739 is an equidigital number, since it uses as much as digits as its factorization.

54777739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296540, while the sum is 49.

The square root of 54777739 is about 7401.1984840295. The cubic root of 54777739 is about 379.7822829490.

The spelling of 54777739 in words is "fifty-four million, seven hundred seventy-seven thousand, seven hundred thirty-nine".