54719761 has 2 divisors, whose sum is σ = 54719762. Its totient is φ = 54719760.

The previous prime is 54719759. The next prime is 54719813. The reversal of 54719761 is 16791745.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28515600 + 26204161 = 5340^2 + 5119^2 .

It is a cyclic number.

It is not a de Polignac number, because 54719761 - 2¹ = 54719759 is a prime.

Together with 54719759, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (54719741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27359880 + 27359881.

It is an arithmetic number, because the mean of its divisors is an integer number (27359881).

Almost surely, 2^54719761 is an apocalyptic number.

It is an amenable number.

54719761 is a deficient number, since it is larger than the sum of its proper divisors (1).

54719761 is an equidigital number, since it uses as much as digits as its factorization.

54719761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 40.

The square root of 54719761 is about 7397.2806489953. The cubic root of 54719761 is about 379.6482455909.

The spelling of 54719761 in words is "fifty-four million, seven hundred nineteen thousand, seven hundred sixty-one".