55767743 has 2 divisors, whose sum is σ = 55767744. Its totient is φ = 55767742.

The previous prime is 55767737. The next prime is 55767787. The reversal of 55767743 is 34776755.

It is an a-pointer prime, because the next prime (55767787) can be obtained adding 55767743 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55767743 - 2⁴ = 55767727 is a prime.

It is a super-2 number, since 2×55767743² = 6220082318628098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55767694 and 55767703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55767043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27883871 + 27883872.

It is an arithmetic number, because the mean of its divisors is an integer number (27883872).

Almost surely, 2^55767743 is an apocalyptic number.

55767743 is a deficient number, since it is larger than the sum of its proper divisors (1).

55767743 is an equidigital number, since it uses as much as digits as its factorization.

55767743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 617400, while the sum is 44.

The square root of 55767743 is about 7467.7803261746. The cubic root of 55767743 is about 382.0565850043.

The spelling of 55767743 in words is "fifty-five million, seven hundred sixty-seven thousand, seven hundred forty-three".